> I saw the exception as following when I chose "Monitor Cache Dump" menu on > HSDB: > > Exception in thread "AWT-EventQueue-0" java.lang.ExceptionInInitializerError > at > jdk.hotspot.agent/sun.jvm.hotspot.ui.MonitorCacheDumpPanel.dumpOn(MonitorCacheDumpPanel.java:92) > at > jdk.hotspot.agent/sun.jvm.hotspot.ui.MonitorCacheDumpPanel.<init>(MonitorCacheDumpPanel.java:59) > at > jdk.hotspot.agent/sun.jvm.hotspot.HSDB.showMonitorCacheDumpPanel(HSDB.java:1556) > at > jdk.hotspot.agent/sun.jvm.hotspot.HSDB$16.actionPerformed(HSDB.java:338) > at > java.desktop/javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1972) > at > java.desktop/javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2313) > at > java.desktop/javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:405) > at > java.desktop/javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:262) > at > java.desktop/javax.swing.AbstractButton.doClick(AbstractButton.java:374) > at > java.desktop/javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1022) > at > java.desktop/javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1066) > at > java.desktop/java.awt.Component.processMouseEvent(Component.java:6617) > at > java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3342) > at java.desktop/java.awt.Component.processEvent(Component.java:6382) > at java.desktop/java.awt.Container.processEvent(Container.java:2264) > at > java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4993) > at > java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2322) > at java.desktop/java.awt.Component.dispatchEvent(Component.java:4825) > at > java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4934) > at > java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4563) > at > java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4504) > at > java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2308) > at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2773) > at java.desktop/java.awt.Component.dispatchEvent(Component.java:4825) > at > java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:772) > at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721) > at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715) > at > java.base/java.security.AccessController.doPrivileged(AccessController.java:391) > at > java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) > at > java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95) > at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:745) > at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:743) > at > java.base/java.security.AccessController.doPrivileged(AccessController.java:391) > at > java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) > at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:742) > 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) > Caused by: java.lang.ArithmeticException: / by zero > at > jdk.hotspot.agent/sun.jvm.hotspot.runtime.ObjectSynchronizer.initialize(ObjectSynchronizer.java:55) > at > jdk.hotspot.agent/sun.jvm.hotspot.runtime.ObjectSynchronizer$1.update(ObjectSynchronizer.java:40) > at > jdk.hotspot.agent/sun.jvm.hotspot.runtime.VM.registerVMInitializedObserver(VM.java:578) > at > jdk.hotspot.agent/sun.jvm.hotspot.runtime.ObjectSynchronizer.<clinit>(ObjectSynchronizer.java:38) > ... 41 more > > This exception seems to be caused by > [JDK-8253064](https://bugs.openjdk.java.net/browse/JDK-8253064). It has > changed `ObjectSynchronizer`, but it has not changed SA code.
Yasumasa Suenaga has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains seven commits: - Update comments for ObjectMonitorIterator - Merge remote-tracking branch 'upstream/master' into JDK-8259008 - Update copyright year - Remove unused code - Fix comments - Merge - 8259008: ArithmeticException was thrown at "Monitor Cache Dump" on HSDB ------------- Changes: https://git.openjdk.java.net/jdk/pull/1910/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1910&range=03 Stats: 203 lines in 5 files changed: 129 ins; 58 del; 16 mod Patch: https://git.openjdk.java.net/jdk/pull/1910.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/1910/head:pull/1910 PR: https://git.openjdk.java.net/jdk/pull/1910
