Please your help, when I start the WAS Node it does not raise and appears this error.
WAS 8.5.5.11
Java SDK 8.0.6.15
APM Agent: 1.18.1
Centos 6.9-32bits
Thank you very much.
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JVMJ9VM135W /proc/sys/kernel/core_pattern setting "|/usr/libexec/abrt-hook-ccpp %s %c %p %u %g %t e" specifies that core dumps are to be piped to an external program. The JVM may be unable to locate core dumps and rename them.
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Log file started at: [10/8/20 14:07:30:253 PDT]
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JVMJ9VM135W /proc/sys/kernel/core_pattern setting "|/usr/libexec/abrt-hook-ccpp %s %c %p %u %g %t e" specifies that core dumps are to be piped to an external program. The JVM may be unable to locate core dumps and rename them.
Error: Could not find or load main class
JVMJ9VM135W /proc/sys/kernel/core_pattern setting "|/usr/libexec/abrt-hook-ccpp %s %c %p %u %g %t e" specifies that core dumps are to be piped to an external program. The JVM may be unable to locate core dumps and rename them.
Error: Could not find or load main class
JVMJ9VM135W /proc/sys/kernel/core_pattern setting "|/usr/libexec/abrt-hook-ccpp %s %c %p %u %g %t e" specifies that core dumps are to be piped to an external program. The JVM may be unable to locate core dumps and rename them.
Error: Could not find or load main class
JVMJ9VM135W /proc/sys/kernel/core_pattern setting "|/usr/libexec/abrt-hook-ccpp %s %c %p %u %g %t e" specifies that core dumps are to be piped to an external program. The JVM may be unable to locate core dumps and rename them.
Error: Could not find or load main class \
Other log File on WAS Server:
2020-10-08 16:50:33,789 [main] INFO co.elastic.apm.agent.util.JmxUtils - Found JVM-specific OperatingSystemMXBean interface: com.ibm.lang.management.OperatingSystemMXBean
2020-10-08 16:50:33,852 [main] WARN co.elastic.apm.agent.metrics.builtin.CGroupMetrics - No /proc/self/cgroup file line matched the tested patterns. Cgroup metrics will not be reported.
2020-10-08 16:50:35,335 [main] INFO co.elastic.apm.agent.configuration.StartupInfo - Starting Elastic APM 1.18.1 as - on Java 1.8.0_261 Runtime version: 8.0.6.15 - pxi3280sr6fp15ifix-20200820_01(SR6 FP15+IJ26443) VM version: 2.9 (IBM Corporation) Linux 2.6.32-754.33.1.el6.i686
2020-10-08 16:50:35,363 [main] WARN co.elastic.apm.agent.configuration.StartupInfo - To enable all features and decrease startup time, please configure application_packages
2020-10-08 16:50:51,574 [main] INFO co.elastic.apm.agent.impl.ElasticApmTracer - Tracer switched to RUNNING state
We changed from OS RHEL 7.9 64bits, and it follows the same errors.
2020-10-08 23: 16: 42,509 [main] INFO co.elastic.apm.agent.util.JmxUtils - Found JVM-specific OperatingSystemMXBean interface: com.ibm.lang.management.OperatingSystemMXBean
2020-10-08 23: 16: 42,544 [main] INFO co.elastic.apm.agent.configuration.StartupInfo - Starting Elastic APM 1.18.1 as - on Java 1.8.0_261 Runtime version: 8.0.6.15 - pxa6480sr6fp15ifix-20200820_01 ( SR6 FP15 + IJ26443) VM version: 2.9 (IBM Corporation) Linux 3.10.0-1160.2.1.el7.x86_64
2020-10-08 23: 16: 42,544 [main] WARN co.elastic.apm.agent.configuration.StartupInfo - To enable all features and decrease startup time, please configure application_packages
2020-10-08 23: 16: 43,789 [main] INFO co.elastic.apm.agent.impl.ElasticApmTracer - Tracer switched to RUNNING state
2020-10-08 23: 16: 43,812 [elastic-apm-init-instrumentation-shutdown-hook] INFO co.elastic.apm.agent.impl.ElasticApmTracer - Tracer switched to STOPPED state
2020-10-08 23: 16: 43,889 elastic-apm-remote-config-poller ERROR No Log4j 2 configuration file found. Using default configuration (logging only errors to the console), or user programmatically provided configurations. Set system property 'log4j2.debug' to show Log4j 2 internal initialization logging. See https://logging.apache.org/log4j/2.x/manual/configuration.html for instructions on how to configure Log4j 2
after disabling some options in the OS, only this error appears:
Error: Could not find or load main class
ERROR IndyBootstrap null
java.nio.channels.ClosedByInterruptException
at java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:220)
at sun.nio.ch.FileChannelImpl.size(FileChannelImpl.java:327)
at com.sun.nio.zipfs.ZipFileSystem.findEND(ZipFileSystem.java:975)
at com.sun.nio.zipfs.ZipFileSystem.initCEN(ZipFileSystem.java:1042)
at com.sun.nio.zipfs.ZipFileSystem.(ZipFileSystem.java:142)
at com.sun.nio.zipfs.ZipFileSystemProvider.newFileSystem(ZipFileSystemProvider.java:129)
at java.nio.file.FileSystems.newFileSystem(FileSystems.java:337)
at java.nio.file.FileSystems.newFileSystem(FileSystems.java:287)
at co.elastic.apm.agent.util.PackageScanner.getClassNames(PackageScanner.java:66)
at co.elastic.apm.agent.bci.IndyBootstrap.getClassNamesFromBundledPlugin(IndyBootstrap.java:303)
at co.elastic.apm.agent.bci.IndyBootstrap.bootstrap(IndyBootstrap.java:278)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:90)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
at java.lang.reflect.Method.invoke(Method.java:508)
at java.lang.IndyBootstrapDispatcher.bootstrap(IndyBootstrapDispatcher.java:31)
at java.lang.invoke.VarargsCollectorHandle.invokeWithArguments(VarargsCollectorHandle.java:109)
at java.lang.invoke.MethodHandle.invokeBsm(MethodHandle.java:904)
at java.lang.invoke.MethodHandle.resolveInvokeDynamic(MethodHandle.java:949)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1311)
at co.elastic.apm.agent.configuration.ApmServerConfigurationSource.tryFetchConfig(ApmServerConfigurationSource.java:185)
at co.elastic.apm.agent.configuration.ApmServerConfigurationSource.access$100(ApmServerConfigurationSource.java:53)
at co.elastic.apm.agent.configuration.ApmServerConfigurationSource$2.withConnection(ApmServerConfigurationSource.java:166)
at co.elastic.apm.agent.configuration.ApmServerConfigurationSource$2.withConnection(ApmServerConfigurationSource.java:163)
at co.elastic.apm.agent.report.ApmServerClient.execute(ApmServerClient.java:254)
at co.elastic.apm.agent.configuration.ApmServerConfigurationSource.fetchConfig(ApmServerConfigurationSource.java:163)
at co.elastic.apm.agent.configuration.ApmServerConfigurationSource.pollConfig(ApmServerConfigurationSource.java:131)
at co.elastic.apm.agent.configuration.ApmServerConfigurationSource.access$000(ApmServerConfigurationSource.java:53)
at co.elastic.apm.agent.configuration.ApmServerConfigurationSource$1.run(ApmServerConfigurationSource.java:117)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1160)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.lang.Thread.run(Thread.java:822)
2020-10-09 15:35:12,042 [main] INFO co.elastic.apm.agent.util.JmxUtils - Found JVM-specific OperatingSystemMXBean interface: com.ibm.lang.management.OperatingSystemMXBean
2020-10-09 15:35:12,101 [main] INFO co.elastic.apm.agent.configuration.StartupInfo - Starting Elastic APM 1.18.1 as - on Java 1.8.0_261 Runtime version: 8.0.6.15 - pxa6480sr6fp15ifix-20200820_01(SR6 FP15+IJ26443) VM version: 2.9 (IBM Corporation) Linux 3.10.0-1160.2.1.el7.x86_64
2020-10-09 15:35:12,102 [main] WARN co.elastic.apm.agent.configuration.StartupInfo - To enable all features and decrease startup time, please configure application_packages
2020-10-09 15:35:14,514 [main] INFO co.elastic.apm.agent.impl.ElasticApmTracer - Tracer switched to RUNNING state
2020-10-09 15:35:14,530 [elastic-apm-init-instrumentation-shutdown-hook] INFO co.elastic.apm.agent.impl.ElasticApmTracer - Tracer switched to STOPPED state
2020-10-09 15:35:14,531 [elastic-apm-init-instrumentation-shutdown-hook] INFO co.elastic.apm.agent.report.ApmServerReporter - dropped events because of full queue: 0
2020-10-09 15:35:14,533 [elastic-apm-init-instrumentation-shutdown-hook] INFO co.elastic.apm.agent.report.IntakeV2ReportingEventHandler - Reported events: 0
2020-10-09 15:35:14,534 [elastic-apm-init-instrumentation-shutdown-hook] INFO co.elastic.apm.agent.report.IntakeV2ReportingEventHandler - Dropped events: 0
2020-10-09 15:35:14,685 elastic-apm-remote-config-poller ERROR No Log4j 2 configuration file found. Using default configuration (logging only errors to the console), or user programmatically provided configurations. Set system property 'log4j2.debug' to show Log4j 2 internal initialization logging. See https://logging.apache.org/log4j/2.x/manual/configuration.html for instructions on how to configure Log4j
To me this seems a similar error to APM Agent does not start, can you confirm it's the same ? double-checking configuration might help in this case.
As for the last log message, does it means you have managed to install the agent ? can you see transactions captured when you execute a few requests to the server ?
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