使用jdk11后，启动LinkAgent报错Caused by: java.lang.ClassFormatError: Nest-host class_info_index 53 has bad constant type in class file sun/jvmstat/perfdata/monitor/protocol/local/MonitoredHostProvider$NotifierTask

[runli471872316]

2022-05-05 12:36:56 ERROR AGENT: prepare to start agent failed.
at jdk.attach/sun.tools.attach.HotSpotAttachProvider.listVirtualMachines(HotSpotAttachProvider.java:83)
at jdk.attach/com.sun.tools.attach.VirtualMachine.list(VirtualMachine.java:146)
at com.shulie.instrument.simulator.agent.core.AgentLauncher.start0(AgentLauncher.java:132)
at com.shulie.instrument.simulator.agent.core.AgentLauncher.startup(AgentLauncher.java:249)
at com.shulie.instrument.simulator.agent.core.CoreLauncher$3$1.execute(CoreLauncher.java:201)
at com.shulie.instrument.simulator.agent.spi.impl.HttpAgentScheduler.install(HttpAgentScheduler.java:206)
at com.shulie.instrument.simulator.agent.spi.impl.HttpAgentScheduler.installLocal(HttpAgentScheduler.java:313)
at com.shulie.instrument.simulator.agent.spi.impl.HttpAgentScheduler.start(HttpAgentScheduler.java:282)
at com.shulie.instrument.simulator.agent.core.CoreLauncher$3.run(CoreLauncher.java:226)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.ClassFormatError: Nest-host class_info_index 53 has bad constant type in class file sun/jvmstat/perfdata/monitor/protocol/local/MonitoredHostProvider$NotifierTask
at java.base/java.lang.ClassLoader.defineClass2(Native Method)
at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1108)
at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:206)
at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:759)
at java.base/jdk.internal.loader.BuiltinClassLoader.findClassInModuleOrNull(BuiltinClassLoader.java:680)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:605)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:579)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
at jdk.internal.jvmstat/sun.jvmstat.perfdata.monitor.protocol.local.MonitoredHostLocalService.getMonitoredHost(MonitoredHostLocalService.java:38)
at jdk.internal.jvmstat/sun.jvmstat.monitor.MonitoredHost.getMonitoredHost(MonitoredHost.java:172)
at jdk.attach/sun.tools.attach.HotSpotAttachProvider.listVirtualMachines(HotSpotAttachProvider.java:71)
... 14 common frames omitted

[yriiolik]

Nest-host class_info_index 53 has bad const

jdk版本不一致造成的。 启动参数指定了 tools.jar 的位置吧？

试试看把 tools.jar 的参数去掉；或者用 -Dsimulator.use.premain=true 参数来指定一下启动模式。

[runli471872316]

Nest-host class_info_index 53 has bad const

jdk版本不一致造成的。 启动参数指定了 tools.jar 的位置吧？

试试看把 tools.jar 的参数去掉；或者用 -Dsimulator.use.premain=true 参数来指定一下启动模式。

jdk11目录没有 tools.jar，我配置了JAVA_OPTS="${JAVA_OPTS} -Xbootclasspath/a:$JAVA_HOME/lib.tools.jar"