Hi Thomas > Am 11.05.2023 um 16:05 schrieb Thomas Hoffmann (Speed4Trade GmbH) > <thomas.hoffm...@speed4trade.com.INVALID>: > > Hello, > > we are using a java agent to start a listening process (JMX proxy). > > The systemd file for tomcat looks like (snippet): > JAVA_OPTS=... -javaagent:/opt/runtime/jmxagent/jmxagent.jar > -Dorg.goktay.rmiregistry.port=15000 -Dorg.goktay.rmiserver.port=15001
I do think that setting JAVA_OPTS is triggering this behavior: EVERY java process contains this rmi server with this conflicting port. The way to go is using CATALINA_OPTS. The options go only into the start-process... HTH Peter > ExecStart=/opt/apache-tomcat/bin/catalina.sh run > ExecStop=/opt/apache-tomcat/bin/catalina.sh stop 60 > > When starting the service, everything works fine and the java agent is > accessible via the opened port 15000. > > However, when stopping tomcat, it seems that a java process is started and > tries to open the same port again: > 2670]: Exception in thread "main" java.lang.reflect.InvocationTargetException > at > java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) > at > java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.base/java.lang.reflect.Method.invoke(Method.java:568) > at > java.instrument/sun.instrument.InstrumentationImpl.loadClassAndStartAgent(InstrumentationImpl.java:493) > at > java.instrument/sun.instrument.InstrumentationImpl.loadClassAndCallPremain(InstrumentationImpl.java:503) > Caused by: java.rmi.server.ExportException: Port already in use: 15000; > nested exception is: > java.net.BindException: Address already in use > at > java.rmi/sun.rmi.transport.tcp.TCPTransport.listen(TCPTransport.java:346) > at > java.rmi/sun.rmi.transport.tcp.TCPTransport.exportObject(TCPTransport.java:243) > at > java.rmi/sun.rmi.transport.tcp.TCPEndpoint.exportObject(TCPEndpoint.java:415) > at java.rmi/sun.rmi.transport.LiveRef.exportObject(LiveRef.java:147) > at > java.rmi/sun.rmi.server.UnicastServerRef.exportObject(UnicastServerRef.java:235) > at java.rmi/sun.rmi.registry.RegistryImpl.setup(RegistryImpl.java:223) > at java.rmi/sun.rmi.registry.RegistryImpl.<init>(RegistryImpl.java:208) > at > java.rmi/java.rmi.registry.LocateRegistry.createRegistry(LocateRegistry.java:203) > at org.goktay.jmx.JMXAgent.premain(JMXAgent.java:33) > ... 6 more > Caused by: java.net.BindException: Address already in use > at java.base/sun.nio.ch.Net.bind0(Native Method) > at java.base/sun.nio.ch.Net.bind(Net.java:555) > at java.base/sun.nio.ch.Net.bind(Net.java:544) > at java.base/sun.nio.ch.NioSocketImpl.bind(NioSocketImpl.java:643) > at java.base/java.net.ServerSocket.bind(ServerSocket.java:388) > at java.base/java.net.ServerSocket.<init>(ServerSocket.java:274) > at java.base/java.net.ServerSocket.<init>(ServerSocket.java:167) > at > java.rmi/sun.rmi.transport.tcp.TCPDirectSocketFactory.createServerSocket(TCPDirectSocketFactory.java:45) > at > java.rmi/sun.rmi.transport.tcp.TCPEndpoint.newServerSocket(TCPEndpoint.java:673) > at > java.rmi/sun.rmi.transport.tcp.TCPTransport.listen(TCPTransport.java:335) > ... 14 more > *** java.lang.instrument ASSERTION FAILED ***: "result" with message agent > load/premain call failed at > src/java.instrument/share/native/libinstrument/JPLISAgent.c line: 422 > > The premain method is entered again and of course the port is already used. > Is there a way to stop tomcat without re-entering the java agent? > Using shutdown.sh shows the same problem. > > Thanks in advance! > Thomas > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
