Spring Data Neo4j OGM java.lang.NoClassDefFoundError: org/neo4j/ogm/annotations/EntityFactory - spring-data-neo4j-4

I use following Mave dependencies:
<spring-data-neo4j.version>4.2.0.M1</spring-data-neo4j.version>
<neo4j-ogm.version>2.1.0-SNAPSHOT</neo4j-ogm.version>
Right now I can't pass my test with a following exception:
java.lang.NoClassDefFoundError: org/neo4j/ogm/annotations/EntityFactory
at org.springframework.data.neo4j.repository.query.QueryResultGraphRepositoryQuery$1.apply(QueryResultGraphRepositoryQuery.java:70)
at org.springframework.data.neo4j.repository.query.QueryResultGraphRepositoryQuery$1.apply(QueryResultGraphRepositoryQuery.java:66)
at org.neo4j.ogm.session.delegates.TransactionsDelegate.doInTransaction(TransactionsDelegate.java:58)
at org.neo4j.ogm.session.Neo4jSession.doInTransaction(Neo4jSession.java:446)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.data.neo4j.transaction.SharedSessionCreator$SharedSessionInvocationHandler.invoke(SharedSessionCreator.java:99)
at com.sun.proxy.$Proxy74.doInTransaction(Unknown Source)
at org.springframework.data.neo4j.repository.query.QueryResultGraphRepositoryQuery.mapToConcreteType(QueryResultGraphRepositoryQuery.java:66)
at org.springframework.data.neo4j.repository.query.QueryResultGraphRepositoryQuery.execute(QueryResultGraphRepositoryQuery.java:54)
at org.springframework.data.neo4j.repository.query.GraphRepositoryQuery.execute(GraphRepositoryQuery.java:68)
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:482)
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:460)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:61)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:136)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213)
at com.sun.proxy.$Proxy86.getChildDecisionsSortedBySumOfCriteriaAvgVotesWeight(Unknown Source)
at com.decisionwanted.domain.dao.decision.DecisionDaoImpl.getChildDecisionsSortedBySumOfCriteriaAvgVotesWeightWithCoefficients(DecisionDaoImpl.java:115)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213)
at com.sun.proxy.$Proxy87.getChildDecisionsSortedBySumOfCriteriaAvgVotesWeightWithCoefficients(Unknown Source)
at com.decisionwanted.domain.DecisionTreeTest.testGetChildDecisionsSortedBySumOfCriteriaAvgVotesWeightWithCoefficients(DecisionTreeTest.java:1359)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:252)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:94)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: java.lang.ClassNotFoundException: org.neo4j.ogm.annotations.EntityFactory
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 73 more
What am I doing wrong and how to resolve this ?

I have resolved the issue with a correct dependencies:
<spring-data-neo4j.version>4.2.0.BUILD-SNAPSHOT</spring-data-neo4j.version>
<neo4j-ogm.version>2.1.0-SNAPSHOT</neo4j-ogm.version>
UPDATED
My Neo4jConfig
#Configuration
#EnableNeo4jRepositories(basePackages = "com.example.repository")
#EnableTransactionManagement
public class Neo4jConfig {
final static Logger logger = LoggerFactory.getLogger(Neo4jConfig.class);
#Bean
public Neo4jTransactionManager transactionManager() throws Exception {
return new Neo4jTransactionManager(sessionFactory());
}
#Bean
public SessionFactory sessionFactory() {
return new SessionFactory("com.example.model");
}
}
ogm.properties file from resources
driver=org.neo4j.ogm.drivers.bolt.driver.BoltDriver
URI=bolt://neo4j:xxxxxx#localhost

Related

JBoss eap 6/as 7 class loader: how to fix LinkageError

I'm trying to deploy my seam 2.2.2 application on jboss eap 6.
1) My application needs lucene-core.jar so I have to package it within my ear.
2) Hibernate-search module depends on lucene-core module to load.
Then fail:
16:18:29,788 DEBUG [org.jboss.seam.persistence.HibernatePersistenceProvider] (ServerService Thread Pool -- 56) Hibernate Search is available :-)
16:18:29,843 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/MyApp]] (ServerService Thread Pool -- 56) JBWEB000287: Exception sending context initialized event to listener instance of class org.jboss.seam.servlet.SeamListener: org.jboss.seam.InstantiationException: Could not instantiate Seam component: securityManagerContextHolder
at org.jboss.seam.Component.newInstance(Component.java:2170) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.contexts.Contexts.startup(Contexts.java:304) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.contexts.Contexts.startup(Contexts.java:278) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.contexts.ServletLifecycle.endInitialization(ServletLifecycle.java:143) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.init.Initialization.init(Initialization.java:744) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.servlet.SeamListener.contextInitialized(SeamListener.java:36) [jboss-seam.jar:2.2.2.Final]
at org.apache.catalina.core.StandardContext.contextListenerStart(StandardContext.java:3339) [jbossweb-7.4.9.Final-redhat-1.jar:7.4.9.Final-redhat-1]
at org.apache.catalina.core.StandardContext.start(StandardContext.java:3777) [jbossweb-7.4.9.Final-redhat-1.jar:7.4.9.Final-redhat-1]
at org.jboss.as.web.deployment.WebDeploymentService.doStart(WebDeploymentService.java:161) [jboss-as-web-7.4.1.Final-redhat-3.jar:7.4.1.Final-redhat-3]
at org.jboss.as.web.deployment.WebDeploymentService.access$000(WebDeploymentService.java:59) [jboss-as-web-7.4.1.Final-redhat-3.jar:7.4.1.Final-redhat-3]
at org.jboss.as.web.deployment.WebDeploymentService$1.run(WebDeploymentService.java:94) [jboss-as-web-7.4.1.Final-redhat-3.jar:7.4.1.Final-redhat-3]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [rt.jar:1.7.0_71]
at java.util.concurrent.FutureTask.run(Unknown Source) [rt.jar:1.7.0_71]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [rt.jar:1.7.0_71]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [rt.jar:1.7.0_71]
at java.lang.Thread.run(Unknown Source) [rt.jar:1.7.0_71]
at org.jboss.threads.JBossThread.run(JBossThread.java:122)
Caused by: java.lang.RuntimeException: exception invoking: getEntityManager
at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:154) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.Component.callComponentMethod(Component.java:2275) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.Component.unwrap(Component.java:2301) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.Component.getInstance(Component.java:2044) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.Component.getInstance(Component.java:1986) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.Component.getInstance(Component.java:1980) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.Component.getInstance(Component.java:1975) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.framework.Controller.getComponentInstance(Controller.java:272) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.framework.PersistenceController.getPersistenceContext(PersistenceController.java:20) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.framework.EntityController.getEntityManager(EntityController.java:21) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.framework.EntityController.createQuery(EntityController.java:42) [jboss-seam.jar:2.2.2.Final]
at com.myapp.youknow.security.UserGroupController.listUserGroups(UserGroupController.java:46) [MyApp-ejb.jar:]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_71]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.7.0_71]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.7.0_71]
at java.lang.reflect.Method.invoke(Unknown Source) [rt.jar:1.7.0_71]
at org.jboss.seam.util.Reflections.invoke(Reflections.java:22) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:32) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:28) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:185) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:103) [jboss-seam.jar:2.2.2.Final]
at com.myapp.youknow.security.UserGroupController_$$_javassist_seam_4.listUserGroups(UserGroupController_$$_javassist_seam_4.java) [MyApp-ejb.jar:]
at com.myapp.youknow.security.SecurityManagerContextHolder.loadSecurityManagerContext(SecurityManagerContextHolder.java:55) [MyApp-ejb.jar:]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_71]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.7.0_71]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.7.0_71]
at java.lang.reflect.Method.invoke(Unknown Source) [rt.jar:1.7.0_71]
at org.jboss.seam.util.Reflections.invoke(Reflections.java:22) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:32) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:28) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:77) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:185) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:103) [jboss-seam.jar:2.2.2.Final]
at com.myapp.youknow.security.SecurityManagerContextHolder_$$_javassist_seam_3.loadSecurityManagerContext(SecurityManagerContextHolder_$$_javassist_seam_3.java) [MyApp-ejb.jar:]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_71]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.7.0_71]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.7.0_71]
at java.lang.reflect.Method.invoke(Unknown Source) [rt.jar:1.7.0_71]
at org.jboss.seam.util.Reflections.invoke(Reflections.java:22) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:144) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.Component.callComponentMethod(Component.java:2275) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.Component.callCreateMethod(Component.java:2198) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.Component.newInstance(Component.java:2158) [jboss-seam.jar:2.2.2.Final]
... 16 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_71]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.7.0_71]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.7.0_71]
at java.lang.reflect.Method.invoke(Unknown Source) [rt.jar:1.7.0_71]
at org.jboss.seam.util.Reflections.invoke(Reflections.java:22) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:144) [jboss-seam.jar:2.2.2.Final]
... 69 more
Caused by: java.lang.LinkageError: loader constraint violation: loader (instance of org/jboss/modules/ModuleClassLoader) previously initiated loading for a different type with name "org/apache/lucene/search/Query"
at java.lang.Class.forName0(Native Method) [rt.jar:1.7.0_71]
at java.lang.Class.forName(Unknown Source) [rt.jar:1.7.0_71]
at com.sun.proxy.$Proxy143.<clinit>(Unknown Source)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) [rt.jar:1.7.0_71]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) [rt.jar:1.7.0_71]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) [rt.jar:1.7.0_71]
at java.lang.reflect.Constructor.newInstance(Unknown Source) [rt.jar:1.7.0_71]
at java.lang.reflect.Proxy.newInstance(Unknown Source) [rt.jar:1.7.0_71]
at java.lang.reflect.Proxy.newProxyInstance(Unknown Source) [rt.jar:1.7.0_71]
at org.jboss.seam.persistence.HibernatePersistenceProvider.proxyEntityManager(HibernatePersistenceProvider.java:331) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.persistence.ManagedPersistenceContext.initEntityManager(ManagedPersistenceContext.java:81) [jboss-seam.jar:2.2.2.Final]
at org.jboss.seam.persistence.ManagedPersistenceContext.getEntityManager(ManagedPersistenceContext.java:108) [jboss-seam.jar:2.2.2.Final]
... 75 more
It seems to be a problem from different class loaders but as I'm new to jboss module mechanism I don't know how to fix this. Any suggestions?
I fixed this by defining the lucene-core module as global.
i followed this explanation: http://www.javacodegeeks.com/2012/09/jboss-as-7-classloading-explained.html

SonarQube not starting without embedded database

I've tried to upgrade Sonar 3.5.1 to the latest version SonarQube 4.0. I did all the recommended upgrade steps and updated the new configuration files with proper values from the older versions.
For some reason, when I switch to a external postgres database (disabling the embedded H2) which holds our data, I always get a JNPE
2013.12.19 13:43:27 ERROR o.s.s.p.PlatformLifecycleListener Fail to start server
java.lang.NullPointerException: null
at org.sonar.server.db.EmbeddedDatabaseFactory.start(EmbeddedDatabaseFactory.java:37) ~[EmbeddedDatabaseFactory.class:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.7.0_07]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.7.0_07]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.7.0_07]
at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.7.0_07]
at org.picocontainer.lifecycle.ReflectionLifecycleStrategy.invokeMethod(ReflectionLifecycleStrategy.java:110) ~[picocontainer-2.14.3.jar:na]
at org.picocontainer.lifecycle.ReflectionLifecycleStrategy.start(ReflectionLifecycleStrategy.java:89) ~[picocontainer-2.14.3.jar:na]
at org.picocontainer.injectors.AbstractInjectionFactory$LifecycleAdapter.start(AbstractInjectionFactory.java:84) ~[picocontainer-2.14.3.jar:na]
at org.picocontainer.behaviors.AbstractBehavior.start(AbstractBehavior.java:169) ~[picocontainer-2.14.3.jar:na]
at org.picocontainer.behaviors.Stored$RealComponentLifecycle.start(Stored.java:132) ~[picocontainer-2.14.3.jar:na]
at org.picocontainer.behaviors.Stored.start(Stored.java:110) ~[picocontainer-2.14.3.jar:na]
at org.picocontainer.DefaultPicoContainer.potentiallyStartAdapter(DefaultPicoContainer.java:1015) ~[picocontainer-2.14.3.jar:na]
at org.picocontainer.DefaultPicoContainer.startAdapters(DefaultPicoContainer.java:1008) ~[picocontainer-2.14.3.jar:na]
at org.picocontainer.DefaultPicoContainer.start(DefaultPicoContainer.java:766) ~[picocontainer-2.14.3.jar:na]
at org.sonar.api.platform.ComponentContainer.startComponents(ComponentContainer.java:91) ~[sonar-plugin-api-4.0.jar:na]
at org.sonar.server.platform.Platform.startDatabaseConnectors(Platform.java:245) ~[Platform.class:na]
at org.sonar.server.platform.Platform.init(Platform.java:193) ~[Platform.class:na]
at org.sonar.server.platform.PlatformLifecycleListener.contextInitialized(PlatformLifecycleListener.java:35) ~[PlatformLifecycleListener.class:na]
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4939) [tomcat-embed-core-7.0.42.jar:7.0.42]
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5434) [tomcat-embed-core-7.0.42.jar:7.0.42]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) [tomcat-embed-core-7.0.42.jar:7.0.42]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559) [tomcat-embed-core-7.0.42.jar:7.0.42]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549) [tomcat-embed-core-7.0.42.jar:7.0.42]
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) [na:1.7.0_07]
at java.util.concurrent.FutureTask.run(Unknown Source) [na:1.7.0_07]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [na:1.7.0_07]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [na:1.7.0_07]
at java.lang.Thread.run(Unknown Source) [na:1.7.0_07]
Any Ideas?
It is not possible to migrate from H2 to PostgreSQL.
Try to install a fresh new instance of SonarQube.

Pong game with graphics class and inheritance issue

I've got this lab for a class that creates a pong-like game and I've put the .java files for this lab accordingly on pastebin at the following links:
Ball.java: http://pastebin.com/VMg75i8U
Block.java: http://pastebin.com/T7GCTh4z
BallTestTwo.java: http://pastebin.com/gZgR8d2J
Tester.java: http://pastebin.com/fG5f5zZR
Locatable.java: http://pastebin.com/GE77PLJk
My issue is that I've got the blocks working just fine, as in I can run Tester.java with the ball line commented out and get my desired result. However, when I run it with the ball line uncommented, I get errors and just a blank white canvas.
Here are links to word docs of the lab descriptions if you need clarification on what the end result should be. https://docs.google.com/file/d/0B_ifaCiEZgtcTVFPX0t2Mzhzczg/edit?usp=sharing
https://docs.google.com/file/d/0B_ifaCiEZgtcMFVWYXIxdjZsdDQ/edit?usp=sharing
EDIT
The errors I'm receiving are these forever repeated until I force terminate the program:
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at BallTestTwo.paint(BallTestTwo.java:42)
at BallTestTwo.update(BallTestTwo.java:37)
at sun.awt.RepaintArea.updateComponent(Unknown Source)
at sun.awt.RepaintArea.paint(Unknown Source)
at sun.awt.windows.WComponentPeer.handleEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)

Errors while starting JBoss Server

I am trying to start JBoss server from eclipse but I am getting some exceptions as below. Later I also tried from command prompt but still getting same exceptions
01:35:49,227 ERROR [STDERR] java.io.FileNotFoundException: C:\Servers\jboss-4.2.3\server\default\data\tx-object-store\HashedActionStore\defaultStore\Recovery\TransactionStatusManager\#161#\-3f5796f4_caed_4fc48ed7_0 (Access is denied)
01:35:49,227 ERROR [STDERR] at java.io.FileOutputStream.open(Native Method)
01:35:49,227 ERROR [STDERR] at java.io.FileOutputStream.<init>(Unknown Source)
01:35:49,227 ERROR [STDERR] at java.io.FileOutputStream.<init>(Unknown Source)
01:35:49,227 ERROR [STDERR] at com.arjuna.ats.internal.arjuna.objectstore.ShadowingStore.write_state(ShadowingStore.java:749)
01:35:49,227 ERROR [STDERR] at com.arjuna.ats.internal.arjuna.objectstore.FileSystemStore.write_committed(FileSystemStore.java:209)
01:35:49,227 ERROR [STDERR] at com.arjuna.ats.arjuna.objectstore.ObjectStore.write_committed(ObjectStore.java:281)
01:35:49,227 ERROR [STDERR] at com.arjuna.ats.internal.arjuna.recovery.TransactionStatusManagerItem.saveThis(TransactionStatusManagerItem.java:300)
01:35:49,227 ERROR [STDERR] at com.arjuna.ats.internal.arjuna.recovery.TransactionStatusManagerItem.markAsDead(TransactionStatusManagerItem.java:117)
01:35:49,227 ERROR [STDERR] at com.arjuna.ats.internal.arjuna.recovery.TransactionStatusConnector.setDeadTSM(TransactionStatusConnector.java:193)
01:35:49,227 ERROR [STDERR] at com.arjuna.ats.internal.arjuna.recovery.TransactionStatusConnector.test(TransactionStatusConnector.java:83)
01:35:49,227 ERROR [STDERR] at com.arjuna.ats.internal.arjuna.recovery.ExpiredTransactionStatusManagerScanner.scan(ExpiredTransactionStatusManagerScanner.java:147)
01:35:49,227 ERROR [STDERR] at com.arjuna.ats.internal.arjuna.recovery.ExpiredEntryMonitor.run(ExpiredEntryMonitor.java:212)
and also
java.sql.SQLException: The database is already in use by another process: org.hsqldb.persist.NIOLockFile#f3788b66[file =C:\Servers\jboss-4.2.3\server\default\data\hypersonic\localDB.lck, exists=true, locked=false, valid=false, fl =null]: java.io.FileNotFoundException: C:\Servers\jboss-4.2.3\server\default\data\hypersonic\localDB.lck (Access is denied)
at org.hsqldb.jdbc.Util.sqlException(Unknown Source)
at org.hsqldb.jdbc.jdbcConnection.<init>(Unknown Source)
at org.hsqldb.jdbcDriver.getConnection(Unknown Source)
at org.hsqldb.jdbcDriver.connect(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at org.jboss.jdbc.HypersonicDatabase.getConnection(HypersonicDatabase.java:768)
at org.jboss.jdbc.HypersonicDatabase.startStandaloneDatabase(HypersonicDatabase.java:618)
at org.jboss.jdbc.HypersonicDatabase.startService(HypersonicDatabase.java:564)
at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
at $Proxy0.start(Unknown Source)
at org.jboss.system.ServiceController.start(ServiceController.java:417)
at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
at $Proxy4.start(Unknown Source)
at org.jboss.deployment.SARDeployer.start(SARDeployer.java:304)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
at $Proxy42.start(Unknown Source)
at org.jboss.deployment.XSLSubDeployer.start(XSLSubDeployer.java:197)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
at $Proxy9.deploy(Unknown Source)
at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634)
at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
at org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:336)
at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
at $Proxy0.start(Unknown Source)
at org.jboss.system.ServiceController.start(ServiceController.java:417)
at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
at $Proxy4.start(Unknown Source)
at org.jboss.deployment.SARDeployer.start(SARDeployer.java:304)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:766)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
at $Proxy5.deploy(Unknown Source)
at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:482)
at org.jboss.system.server.ServerImpl.start(ServerImpl.java:362)
at org.jboss.Main.boot(Main.java:200)
at org.jboss.Main$1.run(Main.java:508)
at java.lang.Thread.run(Unknown Source)
I have also set the environmental variables JAVA_HOME and JBOSS_HOME
I am using Postgresql as database.
Those "Access is denied" errors are probably caused by insufficient ntfs permissions.
It seems that this JBoss instance was run under different user before recent tries.
That launch created some files only accessible to the first user but not to the second.
Possible solutions:
manually delete problem files
fix ntfs permissions
run jboss with admin privileges
Follow the following steps
close JBOSS and eclipse there after
delete files from jboss-6.0.0.Final\server\default\data\hypersonic; localDB.backup, localDB.data, localDB.lck, localDB.log,localDB.properties and localDB.script
start eclipse and then JBoss server.
Worked well for me
Thanks

I am trying to send object of custom class through sockets, but It throws the "java.io.NotSerializableException"

The following is the custom class, whose object I am trying to pass:
package dataEx;
import java.io.Serializable;
import java.util.*;
public class dataToExchange implements Serializable
{
public Integer frameIndex;
public Integer xOffsetTank;
}
The relevant client code, where the data is an object I am trying to pass,through writeObject method:
dataToExchange data=new dataToExchange() ;
data.frameIndex=2;
data.xOffsetTank=23;
output.writeObject(data);
The server receiving the object and printing
data_recv=(dataToExchange)input.readObject();
System.out.println(data_recv.xOffsetTank);
The stacktrace:
java.io.NotSerializableException: dataEx.proclient$dataToExchange
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at dataEx.proclient.SendTheChange(proclient.java:283)
at dataEx.proclient.keyDown(proclient.java:256)
at java.awt.Component.handleEvent(Unknown Source)
at java.awt.Component.postEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.KeyboardFocusManager.redispatchEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
java.net.SocketException: Connection reset by peer: socket write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(Unknown Source)
at java.net.SocketOutputStream.write(Unknown Source)
at java.io.ObjectOutputStream$BlockDataOutputStream.drain(Unknown Source)
at java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode(Unknown Source)
at java.io.ObjectOutputStream.writeFatalException(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at dataEx.proclient.SendTheChange(proclient.java:283)
at dataEx.proclient.keyDown(proclient.java:256)
at java.awt.Component.handleEvent(Unknown Source)
at java.awt.Component.postEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.KeyboardFocusManager.redispatchEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
java.net.SocketException: Connection reset by peer: socket write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(Unknown Source)
at java.net.SocketOutputStream.write(Unknown Source)
at java.io.ObjectOutputStream$BlockDataOutputStream.drain(Unknown Source)
at java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode(Unknown Source)
at java.io.ObjectOutputStream.writeNonProxyDesc(Unknown Source)
at java.io.ObjectOutputStream.writeClassDesc(Unknown Source)
at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.writeFatalException(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at dataEx.proclient.SendTheChange(proclient.java:283)
at dataEx.proclient.keyDown(proclient.java:256)
at java.awt.Component.handleEvent(Unknown Source)
at java.awt.Component.postEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.KeyboardFocusManager.redispatchEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Wrong class. Check the exception again. You are trying to serialize a class called 'dataToExchange' whose definition is nested inside the class 'proclient', and which isn't Serializable. You have overlooked that you have two classes with the same name, which is hereby demonstrated to be a bad idea.