Attaching to process ID 19075, please wait... Debugger attached successfully. Server compiler detected. JVM version is 25.212-b01 Deadlock Detection: java.lang.RuntimeException: Unable to deduce type of thread from address 0x00007f8d785b4000 (expected type JavaThread, CompilerThread, ServiceThread, JvmtiAgentThread, or SurrogateLockerThread) at sun.jvm.hotspot.runtime.Threads.createJavaThreadWrapper(Threads.java:166) at sun.jvm.hotspot.runtime.Threads.first(Threads.java:150) at sun.jvm.hotspot.runtime.DeadlockDetector.createThreadTable(DeadlockDetector.java:149) at sun.jvm.hotspot.runtime.DeadlockDetector.print(DeadlockDetector.java:56) at sun.jvm.hotspot.runtime.DeadlockDetector.print(DeadlockDetector.java:39) at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:62) at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45) at sun.jvm.hotspot.tools.JStack.run(JStack.java:66) at sun.jvm.hotspot.tools.Tool.startInternal(Tool.java:260) at sun.jvm.hotspot.tools.Tool.start(Tool.java:223) at sun.jvm.hotspot.tools.Tool.execute(Tool.java:118) at sun.jvm.hotspot.tools.JStack.main(JStack.java:92) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at sun.tools.jstack.JStack.runJStackTool(JStack.java:140) at sun.tools.jstack.JStack.main(JStack.java:106) Caused by: sun.jvm.hotspot.types.WrongTypeException: No suitable match for type of address 0x00007f8d785b4000 at sun.jvm.hotspot.runtime.InstanceConstructor.newWrongTypeException(InstanceConstructor.java:62) at sun.jvm.hotspot.runtime.VirtualConstructor.instantiateWrapperFor(VirtualConstructor.java:80) at sun.jvm.hotspot.runtime.Threads.createJavaThreadWrapper(Threads.java:162) ... 17 more Can't print deadlocks:Unable to deduce type of thread from address 0x00007f8d785b4000 (expected type JavaThread, CompilerThread, ServiceThread, JvmtiAgentThread, or SurrogateLockerThread) Exception in thread "main" java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at sun.tools.jstack.JStack.runJStackTool(JStack.java:140) at sun.tools.jstack.JStack.main(JStack.java:106) Caused by: java.lang.RuntimeException: Unable to deduce type of thread from address 0x00007f8d785b4000 (expected type JavaThread, CompilerThread, ServiceThread, JvmtiAgentThread, or SurrogateLockerThread) at sun.jvm.hotspot.runtime.Threads.createJavaThreadWrapper(Threads.java:166) at sun.jvm.hotspot.runtime.Threads.first(Threads.java:150) at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:75) at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45) at sun.jvm.hotspot.tools.JStack.run(JStack.java:66) at sun.jvm.hotspot.tools.Tool.startInternal(Tool.java:260) at sun.jvm.hotspot.tools.Tool.start(Tool.java:223) at sun.jvm.hotspot.tools.Tool.execute(Tool.java:118) at sun.jvm.hotspot.tools.JStack.main(JStack.java:92) ... 6 more Caused by: sun.jvm.hotspot.types.WrongTypeException: No suitable match for type of address 0x00007f8d785b4000 at sun.jvm.hotspot.runtime.InstanceConstructor.newWrongTypeException(InstanceConstructor.java:62) at sun.jvm.hotspot.runtime.VirtualConstructor.instantiateWrapperFor(VirtualConstructor.java:80) at sun.jvm.hotspot.runtime.Threads.createJavaThreadWrapper(Threads.java:162) ... 14 more