I am writing a application that will run inside JBoss EAP 6.3.1 on a CentOS 6.5
During this application i have to save a file to the disk and when restarting the application i have to read it back into the application.
All this is working.
The problem is that i want to save to file in the working directory of the application.
What is happening right now is that the file: foo.bar will be saved at the location where i run the standalone.sh (or .bat on Windows).
public void saveToFile() throws IOException {
String foo = "bar";
Writer out = new OutputStreamWriter(new FileOutputStream("/foo.bar"), "UTF-8");
try {
out.write(foo);
} finally {
out.close();
}
}
You could try to use an absolute path to save your file:
String yourSystemPath = System.getProperty("jboss.home.url") /*OPTIONAL*/ + "/want/to/save/here";
File fileToSave = new File(yourSystemPath,"foo.bar");
Writer out = new OutputStreamWriter(new FileOutputStream(fileToSave), "UTF-8");
Basically here, I'm creating a File object using a yourSystemPath variable where I stored the path to save the file in, then I'm creating the new FileOutputStream(fileToSave) using the previously created object File
Please ensure that your JBoss server has write permissions for yourSystemPath
Related
In domain mode , I am able to use properties file as a module but the problem is if there is any modification in the file then i'l need to do it for all slaves in the domain.
I want to centralize the file so that at one point I can change and it will be reflected on all slaves.
I know in domain.xml we can configure global level system properties but I have around 25 properties files.
So is there a way to centralized the files??
myjar.jar
-->package
--> class
-->properties
-->xml files
myjar.jar is an archived jar file
To fetch the xml files
URL url = Thread.currentThread().getContextClassLoader().getResource("./properties");
File queryFolder = new File(url.getFile());
for (File fileName : queryFolder.listFiles()) // null pointer exception
{
if (fileName.getName().toUpperCase().endsWith("XML"))
{
saxParser.parse(fileName, this);
}
}
This is not working.
Tried this
How do I list the files inside a JAR file?
And facing the same problem given in below link
JBoss wildfly 8.x Provider "vfs" not installed when using java nio Paths
URL w_url = mmyClass.class.getProtectionDomain().getCodeSource().getLocation();
JarEntry w_ze = null;
LOGGER.info("Jar******************" + w_url.toString());
if (w_url.toString().endsWith(".jar"))
{
try (JarInputStream jar = new JarInputStream(w_url.openStream()))
{
while ((w_ze = jar.getNextJarEntry()) != null)
{
LOGGER.info("Name *******" + w_ze.getName());
}
}
catch(Exception e)
{
}
}
Added properties folder inside a war file and fetched the exploded folder path using below code in the servlet of the war file.
config.getServletContext().getRealPath("/");
This gives the vfs path of the folder.
and configured the same in
System.setProperty("REALPATH", config.getServletContext().getRealPath("/"));
and used the same in the jar file.
How do I run a JMeter test case from Java code?
I have followed the example Here from Blazemeter.com
My code is as follows:
public class BasicSampler {
public static void main(String[] argv) throws Exception {
// JMeter Engine
StandardJMeterEngine jmeter = new StandardJMeterEngine();
// Initialize Properties, logging, locale, etc.
JMeterUtils.loadJMeterProperties("/home/stone/Workbench/automated-testing/apache-jmeter-2.11/bin/jmeter.properties");
JMeterUtils.setJMeterHome("/home/stone/Workbench/automated-testing/apache-jmeter-2.11");
JMeterUtils.initLogging();// you can comment this line out to see extra log messages of i.e. DEBUG level
JMeterUtils.initLocale();
// Initialize JMeter SaveService
SaveService.loadProperties();
// Load existing .jmx Test Plan
FileInputStream in = new FileInputStream("/home/stone/Workbench/automated-testing/apache-jmeter-2.11/bin/examples/CSVSample.jmx");
HashTree testPlanTree = SaveService.loadTree(in);
in.close();
// Run JMeter Test
jmeter.configure(testPlanTree);
jmeter.run();
}
}
but I keep getting the following messages in the console and my test never executes.
INFO 2014-09-23 12:04:40.492 [jmeter.e] (): Listeners will be started after enabling running version
INFO 2014-09-23 12:04:40.511 [jmeter.e] (): To revert to the earlier behaviour, define jmeterengine.startlistenerslater=false
I have also tried uncommented jmeterengine.startlistenerslater=false from jmeter.properties file
How do you know that your "test never executes"?
What is in jmeter.log file (it should be in the root of your project). Or alternatively comment JMeterUtils.initLogging() line to see the full output in STDOUT
Have you changed relative path CSVSample_user.csv in "Get user details" CSV Data Set Config as it may resolve into a different location as it recommended in Using CSV DATA SET CONFIG
Is CSVSample.jtl file generated anywhere (again it should be in the root of your project by default)? What is in it?
The code looks good and I'm pretty sure that the problem is with the path to CSVSample_user.csv file and you have something like java.io.FileNotFoundException in your log. Please double check that CSVSample.jmx file contains valid full path to CSVSample_user.csv.
UPDATE TO ANSWER QUESTIONS IN COMMENTS
jmeter.log file should be under your Eclipse workspace folder by default
Looking into CSVSample.jmx there is a View Resulst in Table listener which is configured to store results under ~/CSVSample.jtl
If you want to see summarizer messages and "classic" .jtl reporting add next few lines before jmeter.configure(testPlanTree); stanza
Summariser summer = null;
String summariserName = JMeterUtils.getPropDefault("summariser.name", "summary");
if (summariserName.length() > 0) {
summer = new Summariser(summariserName);
}
String logFile = "/path/to/jtl/results/file.jtl";
ResultCollector logger = new ResultCollector(summer);
logger.setFilename(logFile);
testPlanTree.add(testPlanTree.getArray()[0], logger);
Try using library - https://github.com/abstracta/jmeter-java-dsl.
It supports implementing JMeter test as java code.
Below example shows how to implement and execute test for REST API. Same approach could be applied to other type of tests as well.
#Test
public void testPerformance() throws IOException {
TestPlanStats stats = testPlan(
threadGroup(2, 10,
httpSampler("http://my.service")
.post("{\"name\": \"test\"}", Type.APPLICATION_JSON)
),
//this is just to log details of each request stats
jtlWriter("test" + Instant.now().toString().replace(":", "-") + ".jtl")
).run();
assertThat(stats.overall().elapsedTimePercentile99()).isLessThan(Duration.ofSeconds(5));
}
My code connects to a gmail account and reads each email received. I retrieve the content of the email message. I use javamail api for that.
When I run the code from eclipse, it works absolutely fine. But if I export everything into a jar file and then run from command prompt, then I get the following error :
java.lang.ClassCastException: com.sun.mail.imap.IMAPInputStream cannot be cast to javax.mail.Multipart
in the following line :
Multipart mp = (Multipart) msg.getContent();
I tried using this but it doesn't help :
public static void main(String[] args) throws Exception {
System.out.println("Begin");
Thread.currentThread().setContextClassLoader(getOldIds.class.getClassLoader());
//read emails
}
Properties props = System.getProperties();
props.setProperty("mail.store.protocol", "imaps");
Session session = Session.getInstance(props, null);
Store store = session.getStore("imaps");
store.connect("imap.gmail.com", -1, "username", "password");
//fetch the message from the inbox
Please suggest me what should be done.
Thanks
Add this line to your code :-
MimeMessage mimemsg = new MimeMessage(msg);
Multipart mp = (Multipart) mimemsg.getContent();
instead of :-
Multipart mp = (Multipart) msg.getContent();
Here I am safely assuming that msg if of type com.sun.mail.imap.IMAPMessage
How are you exporting everything into a jar file?
If you're combining all your application classes and all the JavaMail classes from the mail.jar file into a single new jar file, you're missing the resource files from the mail.jar file that configure the mapping from MIME type to Java class.
Your application classes should be in one jar file and that jar file should reference or use the JavaMail jar file, e.g., on the CLASSPATH when the application runs.
Thanks everyone for help...... the approach below worked for me :
BufferedReader br = new BufferedReader( new InputStreamReader(msg.getInputStream()));
content="";
String line;
while((line=br.readLine())!=null){
content = content + line;
}
System.out.println("\n\n" + content);
br.close();
How to create new file in a user directory on NetBeans Platform application? I used:
System.getProperty("netbeans.user", "user.home") + "/myfile");
But the NB IDE 7.1.1 told me that it is depreceated and I should use InstalledFile Locator instead. Ok, I tried this:
File file = InstalledFileLocator.getDefault().locate("myfile", null, false);
It works fine, if the file already exists. I cannot see any way, how to create new with the InstalledFileLocator. But the javadoc say, this method allows to get folder. So I tried this:
File file = InstalledFileLocator.getDefault().locate("myfile", null, false);
if (file == null) {
file = new File(InstalledFileLocator.getDefault().locate("", null, false), "myfile");
}
Again without success, the method locate now fails that it can't find anything (the "/" is forbidden and does not work too).
So my question is, how to corectly load in my NetBeans Platform application an existing file in the user directory (it is for writing also, so it should not be in the program directory) and if it does not exist, create it?
You could use Places.getUserDirectory().
File file = InstalledFileLocator.getDefault().locate("myfile", null, false);
if (file == null)
{
file = new File(Places.getUserDirectory() + File. separator + "myfile");
}
From the netbeans platform docs InstalledFileLocator should not be used to find resources on the system filesystem. To find data in the system filesystem, use the Filesystems API. Ex:
FileObject fo = FileUtil.getConfigFile(myfile);
if (fo == null) {
fo = FileUtil.getConfigRoot().createData(myFile,ext);
}
Probably the easiest thing you can do is to include a simple empty file (say "here.txt") in your module that will be installed in the user directory automatically. You can see an example of this here (see the section "Lessons learned: bundling files with your NetBeans modules").
Basically you include the file in the "release/modules/ext/here.txt" directory of your module.
When the module is installed the platform will install the 'here.txt' file included in your module in the user directory automatically for you, so you don't have to worry about this.
Once your module is installed an running you want to locate the file like this:
File hereTXT = InstalledFileLocator.getDefault()
.locate("modules/ext/here.txt",
"a.b.c",
false);
(Where "a.b.c" is your module identifier.)
And then from that 'hereTXT' file you can get the directory with 'hereTXT.getParent()', and you're all set.
I'm using this code to return a FileContentResult with an MSI file for the user to download in my ASP.NET MVC controller:
using (StreamReader reader = new StreamReader(#"c:\WixTest.msi"))
{
Byte[] bytes = Encoding.ASCII.GetBytes(reader.ReadToEnd());
return File(bytes, "text/plain", "download.msi");
}
I can download the file, but when I try to run the installer I get an error message saying:
This installation package could not be
opened. Contact the application vendor
to verify that this is a valid Windows
Installer package.
I know the problem isn't C:\WixTest.msi, because it runs just fine if I use the local copy. I don't think I'm using the wrong MIME type, because I can get something similar with just using File.Copy and returning the copied file via a FilePathResult (without using a StreamReader) that does run properly after download.
I need to use the FileContentResult, however, so that I can delete the copy of the file that I'm making (which I can do once I've loaded it into memory).
I'm thinking I'm invalidating the install package by copying or encoding the file. Is there a way to read an MSI file into memory, and to return it via a FileContentResult without corrupting the install package?
Solution:
using (FileStream stream = new FileStream(#"c:\WixTest.msi", FileMode.Open))
{
BinaryReader reader = new BinaryReader(stream);
Byte[] bytes = reader.ReadBytes(Convert.ToInt32(stream.Length));
return File(bytes, "application/msi", "download.msi");
}
Try using binary encoding and content-type application/msi instead of text/plain - it's not ASCII or text content so you're mangling the file.