Upgraded the JDK/JRE from 1.8.0.322 to 1.8.0.332 and on one of Ten collectors received the below error on startup:
The other nine collectors in the APM cluster had no such error.
------------------ error in the IntroscopeEnterpriseManager.log -------------
Command-line arguments: -consolelog -product com.wily.introscope.em.product
!ENTRY org.eclipse.osgi 4 0 2022-05-23 07:31:40.701
!MESSAGE An error occurred while automatically activating bundle com.wily.osgi.logservice (106).
!STACK 0
org.osgi.framework.BundleException: Exception in com.wily.osgi.service.log.internal.LogServiceActivator.start() of bundle com.wily.osgi.logservice.
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:1028)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:984)
at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:346)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:265)
at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:400)
at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:111)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:427)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:193)
at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:368)
at org.eclipse.osgi.framework.internal.core.SingleSourcePackage.loadClass(SingleSourcePackage.java:33)
at org.eclipse.osgi.framework.internal.core.BundleLoader.findClassInternal(BundleLoader.java:441)
at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:397)
at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:385)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:87)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at com.wily.introscope.osgi.ABundleActivator.start(ABundleActivator.java:55)
at com.wily.introscope.client.internal.ClientActivator.start(ClientActivator.java:48)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleContextImpl.java:1009)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:1003)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:984)
at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:346)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:265)
at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:400)
at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:111)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:427)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:193)
at org.eclipse.osgi.framework.internal.core.BundleLoader../EMCtrl.sh stop: Enterprise Manager stopped
Debug options:
file:/tmp/.options not found
log4j:WARN No appenders could be found for logger (org.springframework.osgi.extender.internal.activator.ContextLoaderListener).
log4j:WARN Please initialize the log4j system properly.
Release : 10.7.0
Component :
Stopped the enterprise manager, cleared the tmp | product\enterprisemanager\configuration caches, then started the EM.
Started without any errors.