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Details

Type: Bug
Resolution: Done
Priority: Blocker
Fix Version/s: 7.0.0.ER4
Affects Version/s: 7.0.0.ER2 (Beta)
Component/s: CLI
Labels:
None

Affects Testing:

Regression
Target Release:

7.0.0.GA
Steps to Reproduce:
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cd $JBOSS_HOME/bin ./standalone.sh & JAR=$JBOSS_HOME/bin/client/jboss-cli-client.jar javac -cp $JAR Demo.java ; java -cp .:$JAR Demo ########### ACTIVE THREADS COUNT ########### # 1 (+1) Wait before the test, attach VisualVM or other monitoring tool here. Press "enter" to continue . . . ... Exception in thread "main" java.lang.IllegalStateException: Unable to initialize command context. at org.jboss.as.cli.scriptsupport.CLI.connect(CLI.java:83) at Demo.main(Demo.java:40) Caused by: org.jboss.as.cli.CliInitializationException: Failed to initialize Aesh console at org.jboss.as.cli.impl.Console$Factory.getConsole(Console.java:121) at org.jboss.as.cli.impl.Console$Factory.getConsole(Console.java:112) at org.jboss.as.cli.impl.CommandContextImpl.initBasicConsole(CommandContextImpl.java:389) at org.jboss.as.cli.impl.CommandContextImpl.connectController(CommandContextImpl.java:987) at org.jboss.as.cli.impl.CommandContextImpl.connectController(CommandContextImpl.java:980) at org.jboss.as.cli.scriptsupport.CLI.connect(CLI.java:81) ... 1 more Caused by: java.lang.OutOfMemoryError: unable to create new native thread at java.lang.Thread.start0(Native Method) at java.lang.Thread.start(Thread.java:714) at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:950) at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1357) at java.util.concurrent.Executors$DelegatedExecutorService.execute(Executors.java:668) at org.jboss.aesh.console.reader.ConsoleInputSession.startReader(ConsoleInputSession.java:83) at org.jboss.aesh.console.reader.ConsoleInputSession.<init>(ConsoleInputSession.java:60) at org.jboss.aesh.terminal.POSIXTerminal.init(POSIXTerminal.java:105) at org.jboss.aesh.console.Console.init(Console.java:188) at org.jboss.aesh.console.Console.<init>(Console.java:118) at org.jboss.as.cli.impl.Console$Factory.getConsole(Console.java:119) ... 6 more
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cd $JBOSS_HOME/bin ./standalone.sh & JAR=$JBOSS_HOME/bin/client/jboss-cli-client.jar javac -cp $JAR Demo.java ; java -cp .:$JAR Demo ########### ACTIVE THREADS COUNT ########### # 1 (+1) Wait before the test, attach VisualVM or other monitoring tool here. Press "enter" to continue . . . ... Exception in thread "main" java.lang.IllegalStateException: Unable to initialize command context. at org.jboss.as.cli.scriptsupport.CLI.connect(CLI.java:83) at Demo.main(Demo.java:40) Caused by: org.jboss.as.cli.CliInitializationException: Failed to initialize Aesh console at org.jboss.as.cli.impl.Console$Factory.getConsole(Console.java:121) at org.jboss.as.cli.impl.Console$Factory.getConsole(Console.java:112) at org.jboss.as.cli.impl.CommandContextImpl.initBasicConsole(CommandContextImpl.java:389) at org.jboss.as.cli.impl.CommandContextImpl.connectController(CommandContextImpl.java:987) at org.jboss.as.cli.impl.CommandContextImpl.connectController(CommandContextImpl.java:980) at org.jboss.as.cli.scriptsupport.CLI.connect(CLI.java:81) ... 1 more Caused by: java.lang.OutOfMemoryError: unable to create new native thread at java.lang.Thread.start0(Native Method) at java.lang.Thread.start(Thread.java:714) at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:950) at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1357) at java.util.concurrent.Executors$DelegatedExecutorService.execute(Executors.java:668) at org.jboss.aesh.console.reader.ConsoleInputSession.startReader(ConsoleInputSession.java:83) at org.jboss.aesh.console.reader.ConsoleInputSession.<init>(ConsoleInputSession.java:60) at org.jboss.aesh.terminal.POSIXTerminal.init(POSIXTerminal.java:105) at org.jboss.aesh.console.Console.init(Console.java:188) at org.jboss.aesh.console.Console.<init>(Console.java:118) at org.jboss.as.cli.impl.Console$Factory.getConsole(Console.java:119) ... 6 more

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Description

Connecting to a controller via a new CommandContext always init a new console which could lead into "OutOfMemoryError: unable to create new native thread" as initBasicConsole() creates a pair of Aesh thread which are not cleaned up with terminateSession().

import org.jboss.as.cli.scriptsupport.CLI;

CLI cli = CLI.newInstance();
for (int i = 1; i <= tries; i++) {
            cli.connect();
            cli.disconnect();
}

Reproducer waits for 10s after every 50 connections, that's where the steps on the graph comes from:

Regression against 7.0.0.ER1 and 6.4.x

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7.0.0.er2_threads.png
208 kB
2015/12/07 5:00 AM
7.0.0.er2.png
112 kB
2015/12/07 5:00 AM
Demo.java
4 kB
2015/12/07 4:50 AM

Issue Links

is cloned by

WFCORE-1218 Connecting to controller via new CommandContext instance leak threads

Resolved

Connecting to controller via new CommandContext instance leak threads

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