open source thread dump analysis tool
Home Page: https://github.com/yusuke/samurai
License: Apache License 2.0
Samurai is an analysis tool for Java thread dumps / GC logs.
Drag and drop any log file to browse.
From [File] > [Take Thread Dumps from], or drag and drop thread dump log files to the window.
From [File] > [View GC Log from], or drag and drop GC log files to the window.
./gradlew build
> Task :samurai-remotedump:javadoc FAILED
/Users/karianna/Documents/workspace/oss/samurai/samurai-remotedump/src/main/java/one/cafebabe/samurai/remotedump/ProcessUtil.java:21: error: package sun.jvmstat.monitor is not visible
import sun.jvmstat.monitor.*;
^
(package sun.jvmstat.monitor is declared in module jdk.internal.jvmstat, which does not export it to the unnamed module)
/Users/karianna/Documents/workspace/oss/samurai/samurai-remotedump/src/main/java/one/cafebabe/samurai/remotedump/VirtualMachineUtil.java:24: error: package sun.tools.attach is not visible
import sun.tools.attach.HotSpotVirtualMachine;
^
(package sun.tools.attach is declared in module jdk.attach, which does not export it to the unnamed module)
2 errors
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':samurai-remotedump:javadoc'.
> Javadoc generation failed. Generated Javadoc options file (useful for troubleshooting): '/Users/karianna/Documents/workspace/oss/samurai/samurai-remotedump/build/tmp/javadoc/javadoc.options'
When I open a GC Log sized about 275.5 MB, Samurai became not responding and OutOfMemoryError will be happened.
I'm using Samurai-2021.9.dmg.
anatawa12:~ $ /Volumes/Samurai/Samurai.app/Contents/MacOS/Samurai
Warning: the fonts "Times" and "Times" are not available for the Java logical font "Serif", which may have unexpected appearance or behavior. Re-enable the "Times" font to remove this warning.
Warning: the fonts "Times" and "Times" are not available for the Java logical font "Serif", which may have unexpected appearance or behavior. Re-enable the "Times" font to remove this warning.
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
at java.desktop/javax.swing.text.GapContent.allocateArray(GapContent.java:97)
at java.desktop/javax.swing.text.GapVector.resize(GapVector.java:226)
at java.desktop/javax.swing.text.GapContent.resize(GapContent.java:111)
at java.desktop/javax.swing.text.GapVector.shiftEnd(GapVector.java:243)
at java.desktop/javax.swing.text.GapContent.shiftEnd(GapContent.java:358)
at java.desktop/javax.swing.text.GapVector.open(GapVector.java:213)
at java.desktop/javax.swing.text.GapVector.replace(GapVector.java:154)
at java.desktop/javax.swing.text.GapContent.insertString(GapContent.java:141)
at java.desktop/javax.swing.text.AbstractDocument.handleInsertString(AbstractDocument.java:755)
at java.desktop/javax.swing.text.AbstractDocument.insertString(AbstractDocument.java:739)
at java.desktop/javax.swing.text.PlainDocument.insertString(PlainDocument.java:131)
at java.desktop/javax.swing.JTextArea.append(JTextArea.java:482)
at one.cafebabe.samurai.swing.LogPanel$FlushTask.run(LogPanel.java:142)
at one.cafebabe.samurai.swing.LogRenderer$VersionAwareTask.run(LogRenderer.java:103)
at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:318)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:771)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:722)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:716)
at java.base/java.security.AccessController.executePrivileged(AccessController.java:776)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:741)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
at java.desktop/javax.swing.text.GapContent.allocateArray(GapContent.java:97)
at java.desktop/javax.swing.text.GapVector.resize(GapVector.java:226)
at java.desktop/javax.swing.text.GapContent.resize(GapContent.java:111)
at java.desktop/javax.swing.text.GapVector.shiftEnd(GapVector.java:243)
at java.desktop/javax.swing.text.GapContent.shiftEnd(GapContent.java:358)
at java.desktop/javax.swing.text.GapVector.open(GapVector.java:213)
at java.desktop/javax.swing.text.GapVector.replace(GapVector.java:154)
at java.desktop/javax.swing.text.GapContent.insertString(GapContent.java:141)
at java.desktop/javax.swing.text.AbstractDocument.handleInsertString(AbstractDocument.java:755)
at java.desktop/javax.swing.text.AbstractDocument.insertString(AbstractDocument.java:739)
at java.desktop/javax.swing.text.PlainDocument.insertString(PlainDocument.java:131)
at java.desktop/javax.swing.JTextArea.append(JTextArea.java:482)
at one.cafebabe.samurai.swing.LogPanel$FlushTask.run(LogPanel.java:142)
at one.cafebabe.samurai.swing.LogRenderer$VersionAwareTask.run(LogRenderer.java:103)
at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:318)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:771)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:722)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:716)
at java.base/java.security.AccessController.executePrivileged(AccessController.java:776)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:741)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
I just compare a file opened in old jar
https://samuraism.jp/samurai/en/samurai.jar
and latest version here
https://github.com/yusuke/samurai/releases/download/2021.9/samurai-swing-2021.9.jar
with old I see the threaddump panel filled, but with new one Threaddump panel is empty
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