I have a working project setup with some beans and a WildFly 8.2.0. I just added the following class:
public class CatalogFilter implements Serializable {
private static final long serialVersionUID = 3028220029652090421L;
private final String catalogName;
private Boolean active;
public CatalogFilter(String catalogName) {
this.catalogName = catalogName;
}
public String getCatalogName() {
return this.catalogName;
}
public Boolean getActive() {
return this.active;
}
public void setActive(Boolean active) {
this.active = active;
}
}
And now when I deploy an EAR with this class I get the following very weird exception:
Caused by: org.jboss.classfilewriter.InvalidBytecodeException: Cannot load variable at 2. Local Variables: Local Variables: [StackEntry [descriptor=Lorg/acme/catalog/CatalogFilter;, type=OBJECT], StackEntry [descriptor=Lorg/acme/catalog/CatalogElement;, type=OBJECT]]
at org.jboss.classfilewriter.code.CodeAttribute.aload(CodeAttribute.java:185)
at org.jboss.invocation.proxy.ProxyFactory$ProxyMethodBodyCreator.overrideMethod(ProxyFactory.java:150) [jboss-invocation-1.2.1.Final.jar:1.2.1.Final]
at org.jboss.invocation.proxy.AbstractSubclassFactory.overrideMethod(AbstractSubclassFactory.java:106) [jboss-invocation-1.2.1.Final.jar:1.2.1.Final]
at org.jboss.invocation.proxy.AbstractSubclassFactory.addInterface(AbstractSubclassFactory.java:363) [jboss-invocation-1.2.1.Final.jar:1.2.1.Final]
at org.jboss.invocation.proxy.ProxyFactory.generateClass(ProxyFactory.java:286) [jboss-invocation-1.2.1.Final.jar:1.2.1.Final]
at org.jboss.invocation.proxy.AbstractClassFactory.buildClassDefinition(AbstractClassFactory.java:207) [jboss-invocation-1.2.1.Final.jar:1.2.1.Final]
at org.jboss.invocation.proxy.AbstractClassFactory.defineClass(AbstractClassFactory.java:160) [jboss-invocation-1.2.1.Final.jar:1.2.1.Final]
at org.jboss.invocation.proxy.AbstractProxyFactory.getCachedMethods(AbstractProxyFactory.java:150) [jboss-invocation-1.2.1.Final.jar:1.2.1.Final]
at org.jboss.as.ejb3.component.stateless.StatelessComponentDescription$3.configure(StatelessComponentDescription.java:150)
at org.jboss.as.ee.component.DefaultComponentViewConfigurator.configure(DefaultComponentViewConfigurator.java:68)
at org.jboss.as.ee.component.deployers.EEModuleConfigurationProcessor.deploy(EEModuleConfigurationProcessor.java:81)
... 6 more
If I remove the class from the EAR it works again. Google says there is a bug in WildFly 9 if you want to use the brand new Java 8 features, but I don't use WildFly 9 and neither are there any Java 8 features in the class.
What's wrong?
This exception had nothing to do with the class WildFly complained about. The remote interface had the following method:
default List<CatalogElement> findCatalogElements(CatalogFilter catalogFilter) throws CatalogManagerException {
List<CatalogElement> result = findCatalogElements(catalogFilter.getCatalogName());
if (catalogFilter.getActive() != null) {
result.removeIf(e -> e.isActive() != catalogFilter.getActive().booleanValue());
}
return result;
}
For some reason, lambdas don't work, so we had to write the method like this:
default List<CatalogElement> findCatalogElements(CatalogFilter catalogFilter) throws CatalogManagerException {
List<CatalogElement> result = findCatalogElements(catalogFilter.getCatalogName());
if (catalogFilter.getActive() != null) {
result.removeIf(new Predicate<CatalogElement>() {
#Override
public boolean test(CatalogElement e) {
return e.isActive() != catalogFilter.getActive().booleanValue();
}
});
}
return result;
}
Related
I have a simple Solr query component as follows:
public class QueryPreprocessingComponent extends QueryComponent implements PluginInfoInitialized {
private static final Logger LOG = LoggerFactory.getLogger( QueryPreprocessingComponent.class );
private ExactMatchQueryProcessor exactMatchQueryProcessor;
public void init( PluginInfo info ) {
initializeProcessors(info);
}
private void initializeProcessors(PluginInfo info) {
List<PluginInfo> queryPreProcessors = info.getChildren("queryPreProcessors")
.get(0).getChildren("queryPreProcessor");
for (PluginInfo queryProcessor : queryPreProcessors) {
initializeProcessor(queryProcessor);
}
}
private void initializeProcessor(PluginInfo queryProcessor) {
QueryProcessorParam processorName = QueryProcessorParam.valueOf(queryProcessor.name);
switch(processorName) {
case ExactMatchQueryProcessor:
exactMatchQueryProcessor = new ExactMatchQueryProcessor(queryProcessor.initArgs);
LOG.info("ExactMatchQueryProcessor initialized...");
break;
default: throw new AssertionError();
}
}
#Override
public void prepare( ResponseBuilder rb ) throws IOException
{
if (exactMatchQueryProcessor != null) {
exactMatchQueryProcessor.modifyForExactMatch(rb);
}
}
#Override
public void process(ResponseBuilder rb) throws IOException
{
// do nothing - needed so we don't execute the query here.
return;
}
}
This works as expected functionally except when I use this in a distributed request, it has an issue with facets counts returned. It doubles the facet counts.
Note that I am not doing anything related to faceting in plugin. exactMatchQueryProcessor.modifyForExactMatch(rb); does a very minimal processing if the query is quoted otherwise it does nothing. Even if the incoming query is not quoted, facet count issue is there. Even if I comment everything inside prepare function, issue persists.
Note that this component is declared in as first-components in solrconfig.xml.
I resolved this issue by extending the class to SearchComponent instead of QueryComponent. It seems that SearchComponent sits at higher level of abstraction than QueryComponent and is useful when you want to work on a layer above shards.
My Problem is, that if I save a Document with a $ inside the content, Mongodb gives me an exception:
java.lang.IllegalArgumentException: Invalid BSON field name $ xxx
I would like that mongodb ignores the $ character in the content.
My Application is written in java. I read the content of the File and put it as a string into an object. After that the object will be saved with a MongoRepository class.
Someone has any ideas??
Example content
Edit: I heard mongodb has the same problem wit dot. Our Springboot found i workaround with dot, but not for dollar.
How to configure mongo converter in spring to encode all dots in the keys of map being saved in mongo db
If you are using Spring Boot you can extend MappingMongoConverter class and add override methods that do the escaping/unescaping.
#Component
public class MappingMongoConverterCustom extends MappingMongoConverter {
protected #Nullable
String mapKeyDollarReplacemant = "characters_to_replace_dollar";
protected #Nullable
String mapKeyDotReplacement = "characters_to_replace_dot";
public MappingMongoConverterCustom(DbRefResolver dbRefResolver, MappingContext<? extends MongoPersistentEntity<?>, MongoPersistentProperty> mappingContext) {
super(dbRefResolver, mappingContext);
}
#Override
protected String potentiallyEscapeMapKey(String source) {
if (!source.contains(".") && !source.contains("$")) {
return source;
}
if (mapKeyDotReplacement == null && mapKeyDollarReplacemant == null) {
throw new MappingException(String.format(
"Map key %s contains dots or dollars but no replacement was configured! Make "
+ "sure map keys don't contain dots or dollars in the first place or configure an appropriate replacement!",
source));
}
String result = source;
if(result.contains(".")) {
result = result.replaceAll("\\.", mapKeyDotReplacement);
}
if(result.contains("$")) {
result = result.replaceAll("\\$", mapKeyDollarReplacemant);
}
//add any other replacements you need
return result;
}
#Override
protected String potentiallyUnescapeMapKey(String source) {
String result = source;
if(mapKeyDotReplacement != null) {
result = result.replaceAll(mapKeyDotReplacement, "\\.");
}
if(mapKeyDollarReplacemant != null) {
result = result.replaceAll(mapKeyDollarReplacemant, "\\$");
}
//add any other replacements you need
return result;
}
}
If you go with this approach make sure you override the default converter from AbstractMongoConfiguration like below:
#Configuration
public class MongoConfig extends AbstractMongoConfiguration{
#Bean
public DbRefResolver getDbRefResolver() {
return new DefaultDbRefResolver(mongoDbFactory());
}
#Bean
#Override
public MappingMongoConverter mappingMongoConverter() throws Exception {
MappingMongoConverterCustom converter = new MappingMongoConverterCustom(getDbRefResolver(), mongoMappingContext());
converter.setCustomConversions(customConversions());
return converter;
}
.... whatever you might need extra ...
}
I´m trying to migrate my e3-rcp-app to a e4-rcp-app.
Therefore I need to define my default Preferences. (Not the Pref.Pages)
And by doing and trying so, I just can´t get my Initializer called. Here Is my initializer-class:
public class MyPreferenceInitializer extends AbstractPreferenceInitializer {
public MyPreferenceInitializer (){}
#Override
public void initializeDefaultPreferences() {
Preferences defaults = DefaultScope.INSTANCE.getNode(InspectIT.ID);
// Set defaults using things like:
defaults.put("DUMMY", "DUMMYCONTENT");
try {
defaults.flush();
} catch (BackingStoreException e) {
e.printStackTrace();
}
//And this other approach to make sure that one of them works
IPreferenceStore store = InspectIT.getDefault().getPreferenceStore();
store.setDefault("DUMMY", "DUMMYCONTENT");
try {
((Preferences) store).flush();
} catch (BackingStoreException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
//Dummy impl
default Preferences....,
}
}
I also got an Activator class with the following structure: (Just posting the relevant methods(?))
public class Activator implements BundleActivator {
private static BundleContext context;
static BundleContext getContext() {
return context;
}
private static Activator plugin;
private volatile ScopedPreferenceStore preferenceStore;
public void start(BundleContext context) throws Exception {
plugin = this;
Activator.context = context;
locateRuntimeDir();
logListener = new LogListener();
Platform.addLogListener(logListener);
//access to my initializor
String text = getPreferenceStore().getDefaultString("DUMMY");
String text2 = getPreferenceStore().getString("DUMMY");
}
public void stop(BundleContext context) throws Exception {
Activator.context = null;
plugin = null;
}
public static <E> E getService(Class<E> clazz) {
ServiceReference<E> reference = context.getServiceReference(clazz);
if (null != reference) {
return context.getService(reference);
}
throw new RuntimeException("Requested service of the class " + clazz.getName() + " is not registered in the bundle.");
}
public ScopedPreferenceStore getPreferenceStore() {
if (null == preferenceStore) {
synchronized (this) {
if (null == preferenceStore) {
preferenceStore = new ScopedPreferenceStore(ConfigurationScope.INSTANCE, ID);
}
}
}
return preferenceStore;
}
}
The ScopedPreferenceStore I´m using is the one available at: https://github.com/opcoach/e4Preferences/tree/master/com.opcoach.e4.preferences
As well, I declared the plugin.xml Extension like this (I do need this, right?)
...
<extension
point="org.eclipse.core.runtime.preferences">
<initializer class="MyApplication.rcp.preferences.MyPreferenceInitializer ">
</initializer>
</extension>
...
I´m using Eclipse 4.5.1 on a win7 x64
I googled a lot and found a lot of Threads concerning this, but I just can´t find my mistake =/.
Anyone got a suggestion for why my default preferences initializer won´t get called?
Thanks in advance
You must still use the org.eclipse.core.runtime.preferences extension point to define the preferences initializer.
<extension
point="org.eclipse.core.runtime.preferences">
<initializer
class="package.MyPreferenceInitializer">
</initializer>
</extension>
In the initializer use:
#Override
public void initializeDefaultPreferences()
{
Preferences defaults = DefaultScope.INSTANCE.getNode(Activator.ID);
// Set defaults using things like:
defaults.putInt("pref id", 0);
}
Finally I found a solution for this issue.
Accidentally got over this problem again and the mistake was in the Activator. I wrongly set the ID onto a wrong name. I reset it to my projects name and now it is working!
public ScopedPreferenceStore getPreferenceStore() {
if (null == preferenceStore) {
synchronized (this) {
if (null == preferenceStore)
preferenceStore = new ScopedPreferenceStore(ConfigurationScope.INSTANCE, ID);
}
}
return preferenceStore;
}
ID = Project-Name
I looked for a way to store project-specific configurations for my plugin.
In the first step i only want to store a simple String like "Hello".
So, what i found is SAL and the PluginSettings.
https://developer.atlassian.com/docs/atlassian-platform-common-components/shared-access-layer/sal-services
This seems pretty easy to use but I don´t have any idea how to implement it into my code.
I used a WebWork taking place in the project administration section:
#Override
public String doDefault() throws Exception {
Project project = getProjectManager().getProjectObjByKey(_projectKey);
HttpServletRequest request = ExecutingHttpRequest.get();
request.setAttribute((new StringBuilder()).append("com.atlassian.jira.projectconfig.util.ServletRequestProjectConfigRequestCache").append(":project").toString(), project);
return INPUT;
}
#Override
protected String doExecute() throws Exception {
Project project = getProjectManager().getProjectObjByKey(_projectKey);
HttpServletRequest request = ExecutingHttpRequest.get();
request.setAttribute((new StringBuilder()).append("com.atlassian.jira.projectconfig.util.ServletRequestProjectConfigRequestCache").append(":project").toString(), project);
String param = request.getParameter("param");
return SUCCESS;
}
public void setProjectKey(String projectKey) {
_projectKey = projectKey;
}
public String getProjectKey() {
return _projectKey;
}
public String getBaseUrl() {
return ComponentAccessor.getApplicationProperties().getString(APKeys.JIRA_BASEURL);
}
As SAL said i implemented a Settings-Class:
public CustomProjectSettings(
final PluginSettingsFactory pluginSettingsFactory,
final String projectKey) {
this.pluginSettingsFactory = pluginSettingsFactory;
this.projectKey = projectKey;
}
public void setValue(final String key, final String value) {
final PluginSettings settings = pluginSettingsFactory
.createSettingsForKey(projectKey);
settings.put(key, value);
}
public Object getValue(final String key) {
final PluginSettings settings = pluginSettingsFactory
.createSettingsForKey(projectKey);
return settings.get(key);
}
And I added the component in the xml:
<component-import key="pluginSettingsFactory" interface="com.atlassian.sal.api.pluginsettings.PluginSettingsFactory" />
So how do i connect and implement this into my webwork to say
protected String doExecute() throws Exception{
[...]
pluginSettings.setValue("Key", param);
[...]
}
It was easier than i thought.
I simply had to inject the Settings as a dependency for my WebWork:
public WebWorkAction(CustomProjectSettings settings){
this.settings = settings
}
The Settings-Class gets autowired by
<component-import key="pluginSettingsFactory"
interface="com.atlassian.sal.api.pluginsettings.PluginSettingsFactory" />
and by adding
<component key="settingsComponent"
class="com.xxx.CustomProjectSettings">
</component>
I'm facing a NPE when trying to solve my solution:
Exception in thread "main" java.lang.NullPointerException
at java.util.ArrayList.addAll(ArrayList.java:472)
at org.drools.planner.core.domain.variable.CompositePlanningValueRangeDescriptor.extractValues(CompositePlanningValueRangeDescriptor.java:46)
at org.drools.planner.core.domain.variable.PlanningVariableDescriptor.extractPlanningValues(PlanningVariableDescriptor.java:259)
at org.drools.planner.core.heuristic.selector.variable.PlanningValueSelector.initSelectedPlanningValueList(PlanningValueSelector.java:91)
at org.drools.planner.core.heuristic.selector.variable.PlanningValueSelector.phaseStarted(PlanningValueSelector.java:73)
at org.drools.planner.core.heuristic.selector.variable.PlanningValueWalker.phaseStarted(PlanningValueWalker.java:64)
at org.drools.planner.core.heuristic.selector.variable.PlanningVariableWalker.phaseStarted(PlanningVariableWalker.java:62)
at org.drools.planner.core.constructionheuristic.greedyFit.decider.DefaultGreedyDecider.phaseStarted(DefaultGreedyDecider.java:62)
at org.drools.planner.core.constructionheuristic.greedyFit.DefaultGreedyFitSolverPhase.phaseStarted(DefaultGreedyFitSolverPhase.java:112)
at org.drools.planner.core.constructionheuristic.greedyFit.DefaultGreedyFitSolverPhase.solve(DefaultGreedyFitSolverPhase.java:57)
at org.drools.planner.core.solver.DefaultSolver.runSolverPhases(DefaultSolver.java:190)
at org.drools.planner.core.solver.DefaultSolver.solve(DefaultSolver.java:155)
at de.haw.dsms.applicationcore.planning.BalancingApp.main(BalancingApp.java:47)
I have annotated my planning entity with the following annotations to collect the value range from two lists in the solution:
#PlanningEntity
public class ScheduleItem implements Cloneable{
private ChangeOfferEvent item;
#PlanningVariable()
#ValueRanges({
#ValueRange(type = ValueRangeType.FROM_SOLUTION_PROPERTY, solutionProperty = "offers"),
#ValueRange(type = ValueRangeType.FROM_SOLUTION_PROPERTY, solutionProperty = "dummies")
})
public ChangeOfferEvent getItem() {
return item;
}
public void setItem(ChangeOfferEvent item) {
this.item = item;
}
public ScheduleItem() {
this.item = null;
}
...
This is the solution:
public class ProductionConsumptionBalancing implements Solution<HardAndSoftLongScore> {
/*
* Problem facts
*/
// The grid entity offers
private List<ChangeOfferEvent> offers;
// Placeholder events to represent "not used schedule items"
private List<PlaceholderOfferEvent> dummies;
// The total energy consumption in the grid
// [Watt]
private TotalEnergyConsumption totalElectricityConsumption;
// The total energy production in the grid
// [Watt]
private TotalEnergyProduction totalElectricityProduction;
public List<ChangeOfferEvent> getOffers() {
return offers;
}
public void setOffers(List<ChangeOfferEvent> offers) {
this.offers = offers;
}
public List<PlaceholderOfferEvent> getDummies() {
return dummies;
}
public void setDummies(List<PlaceholderOfferEvent> dummies) {
this.dummies = dummies;
}
public TotalEnergyConsumption getTotalElectricityConsumption() {
return totalElectricityConsumption;
}
public void setTotalElectricityConsumption(
TotalEnergyConsumption totalElectricityConsumption) {
this.totalElectricityConsumption = totalElectricityConsumption;
}
public TotalEnergyProduction getTotalElectricityProduction() {
return totalElectricityProduction;
}
public void setTotalElectricityProduction(
TotalEnergyProduction totalElectricityProduction) {
this.totalElectricityProduction = totalElectricityProduction;
}
/*
* Problem entities
*/
private List<ScheduleItem> schedule;
#PlanningEntityCollectionProperty
public List<ScheduleItem> getSchedule() {
return schedule;
}
public void setSchedule(List<ScheduleItem> schedule) {
this.schedule = schedule;
}
...
The strange thing about this is, that during debugging I discoverd that it is the parameter "planningEntity" which is null and not the values in the solution.
Does anybody encounter the same issue or does know how to solve this?
Thanks and best regards!
PS:
It seems like this is coming from the method initSelectedPlanningValueList:
private void initSelectedPlanningValueList(AbstractSolverPhaseScope phaseScope) {
90 if (planningVariableDescriptor.isPlanningValuesCacheable()) {
91 Collection<?> planningValues = planningVariableDescriptor.extractPlanningValues(
92 phaseScope.getWorkingSolution(), null);
93 cachedPlanningValues = applySelectionOrder(planningValues);
94 } else {
95 cachedPlanningValues = null;
96 }
97 }
PSPS:
Problem solved.
The issue appeared because I forgot to link the clone's dummies-attribute to the original dummies list. So the dummies list in the cloned solution was null.
#Override
public Solution<HardAndSoftLongScore> cloneSolution() {
ProductionConsumptionBalancing clone = new ProductionConsumptionBalancing();
// Transfer consumption and production values
clone.totalElectricityConsumption = this.totalElectricityConsumption;
clone.totalElectricityProduction = this.totalElectricityProduction;
// Shallow copy offer lists (shouldn't change)
clone.offers = this.offers;
// Shallow copy of dummy list
clone.dummies = this.dummies;
// Deep copy schedule
...
Starting from 6.0.0.Beta1, OptaPlanner (= Drools Planner) supports automatic cloning out-of-the-box. So you don't need to implement the cloneSolution() method no more, because planner figures it out automatically. Because you don't need to implement the method no more, you can't implement it incorrectly.
Note that you can still implement a custom clone method if you really want too.