Excerpt of the jtr file :

----------System.err:(147/9825)----------
[jcmd] java.lang.RuntimeException: Invalid agent state: Agent already started
[jcmd] java.lang.RuntimeException: Invalid agent state: Agent already started
[jcmd] java.lang.RuntimeException: Invalid agent state: Agent already started
[TestApp{test_09}] Error: JMX connector server communication error: service:jmx:rmi://emb-sca-odroid-xu-11:46538
[jcmd] java.lang.RuntimeException: JMX connector server communication error: service:jmx:rmi://emb-sca-odroid-xu-11:46538
Jun 17, 2015 11:40:18 PM ClientCommunicatorAdmin Checker-run
WARNING: Failed to check connection: java.net.ConnectException: Connection refused
Jun 17, 2015 11:40:19 PM ClientCommunicatorAdmin Checker-run
WARNING: stopping
Jun 17, 2015 11:40:24 PM ClientCommunicatorAdmin Checker-run
WARNING: Failed to check connection: java.net.ConnectException: Connection refused
Jun 17, 2015 11:40:24 PM ClientCommunicatorAdmin Checker-run
WARNING: stopping
Jun 17, 2015 11:40:30 PM ClientCommunicatorAdmin Checker-run
WARNING: Failed to check connection: java.net.ConnectException: Connection refused
Jun 17, 2015 11:40:30 PM ClientCommunicatorAdmin Checker-run
WARNING: stopping
Jun 17, 2015 11:40:37 PM ClientCommunicatorAdmin Checker-run
WARNING: Failed to check connection: java.net.ConnectException: Connection refused
Jun 17, 2015 11:40:37 PM ClientCommunicatorAdmin Checker-run
WARNING: stopping
test_11 failed
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:502)
at JMXStartStopTest.main(JMXStartStopTest.java:262)
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:502)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:92)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ExceptionInInitializerError
at sun.security.ssl.ProtocolVersion.<clinit>(ProtocolVersion.java:135)
at sun.security.ssl.SSLContextImpl$AbstractTLSContext.<clinit>(SSLContextImpl.java:499)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:286)
at java.security.Provider$Service.getImplClass(Provider.java:1638)
at java.security.Provider$Service.newInstance(Provider.java:1596)
at sun.security.jca.GetInstance.getInstance(GetInstance.java:236)
at sun.security.jca.GetInstance.getInstance(GetInstance.java:164)
at javax.net.ssl.SSLContext.getInstance(SSLContext.java:156)
at javax.net.ssl.SSLContext.getDefault(SSLContext.java:96)
at javax.net.ssl.SSLSocketFactory.getDefault(SSLSocketFactory.java:122)
at javax.rmi.ssl.SslRMIClientSocketFactory.getDefaultClientSocketFactory(SslRMIClientSocketFactory.java:207)
at javax.rmi.ssl.SslRMIClientSocketFactory.createSocket(SslRMIClientSocketFactory.java:117)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613)
at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:214)
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:200)
at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:342)
at sun.rmi.transport.DGCImpl_Stub.dirty(Unknown Source)
at sun.rmi.transport.DGCClient$EndpointEntry.makeDirtyCall(DGCClient.java:357)
at sun.rmi.transport.DGCClient$EndpointEntry.registerRefs(DGCClient.java:299)
at sun.rmi.transport.DGCClient.registerRefs(DGCClient.java:135)
at sun.rmi.transport.ConnectionInputStream.registerRefs(ConnectionInputStream.java:94)
at sun.rmi.transport.StreamRemoteCall.releaseInputStream(StreamRemoteCall.java:157)
at sun.rmi.transport.StreamRemoteCall.done(StreamRemoteCall.java:313)
at sun.rmi.server.UnicastRef.done(UnicastRef.java:451)
at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
at com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:118)
at com.sun.jndi.toolkit.url.GenericURLContext.lookup(GenericURLContext.java:207)
at javax.naming.InitialContext.lookup(InitialContext.java:409)
at javax.management.remote.rmi.RMIConnector.findRMIServerJNDI(RMIConnector.java:1957)
at javax.management.remote.rmi.RMIConnector.findRMIServer(RMIConnector.java:1924)
at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:287)
at javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:270)
at JMXStartStopTest.testConnect(JMXStartStopTest.java:184)
at JMXStartStopTest.testNoConnect(JMXStartStopTest.java:135)
at JMXStartStopTest.testNoConnect(JMXStartStopTest.java:130)
at JMXStartStopTest.test_11(JMXStartStopTest.java:704)
... 11 more
Caused by: java.lang.NumberFormatException: For input string: "1024"
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:581)
at java.lang.Integer.parseInt(Integer.java:699)
at sun.security.util.DisabledAlgorithmConstraints$KeySizeConstraints.<init>(DisabledAlgorithmConstraints.java:329)
at sun.security.util.DisabledAlgorithmConstraints.loadDisabledAlgorithmsMap(DisabledAlgorithmConstraints.java:301)
at sun.security.util.DisabledAlgorithmConstraints.<init>(DisabledAlgorithmConstraints.java:81)
at sun.security.ssl.SSLAlgorithmConstraints$BasicDisabledAlgConstraints.<init>(SSLAlgorithmConstraints.java:273)
at sun.security.ssl.SSLAlgorithmConstraints$X509DisabledAlgConstraints.<init>(SSLAlgorithmConstraints.java:446)
at sun.security.ssl.SSLAlgorithmConstraints.<clinit>(SSLAlgorithmConstraints.java:51)
... 48 more
test_13 failed
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:502)
at JMXStartStopTest.main(JMXStartStopTest.java:262)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:502)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:92)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: Could not initialize class sun.security.ssl.SSLContextImpl$DefaultSSLContext
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:286)
at java.security.Provider$Service.getImplClass(Provider.java:1638)
at java.security.Provider$Service.newInstance(Provider.java:1596)
at sun.security.jca.GetInstance.getInstance(GetInstance.java:236)
at sun.security.jca.GetInstance.getInstance(GetInstance.java:164)
at javax.net.ssl.SSLContext.getInstance(SSLContext.java:156)
at javax.net.ssl.SSLContext.getDefault(SSLContext.java:96)
at javax.net.ssl.SSLSocketFactory.getDefault(SSLSocketFactory.java:122)
at javax.rmi.ssl.SslRMIClientSocketFactory.getDefaultClientSocketFactory(SslRMIClientSocketFactory.java:207)
at javax.rmi.ssl.SslRMIClientSocketFactory.createSocket(SslRMIClientSocketFactory.java:117)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613)
at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:214)
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:200)
at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:342)
at sun.rmi.transport.DGCImpl_Stub.dirty(Unknown Source)
at sun.rmi.transport.DGCClient$EndpointEntry.makeDirtyCall(DGCClient.java:357)
at sun.rmi.transport.DGCClient$EndpointEntry.registerRefs(DGCClient.java:299)
at sun.rmi.transport.DGCClient.registerRefs(DGCClient.java:135)
at sun.rmi.transport.ConnectionInputStream.registerRefs(ConnectionInputStream.java:94)
at sun.rmi.transport.StreamRemoteCall.releaseInputStream(StreamRemoteCall.java:157)
at sun.rmi.transport.StreamRemoteCall.done(StreamRemoteCall.java:313)
at sun.rmi.server.UnicastRef.done(UnicastRef.java:451)
at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
at com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:118)
at com.sun.jndi.toolkit.url.GenericURLContext.lookup(GenericURLContext.java:207)
at javax.naming.InitialContext.lookup(InitialContext.java:409)
at javax.management.remote.rmi.RMIConnector.findRMIServerJNDI(RMIConnector.java:1957)
at javax.management.remote.rmi.RMIConnector.findRMIServer(RMIConnector.java:1924)
at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:287)
at javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:270)
at JMXStartStopTest.testConnect(JMXStartStopTest.java:184)
at JMXStartStopTest.testNoConnect(JMXStartStopTest.java:135)
at JMXStartStopTest.testNoConnect(JMXStartStopTest.java:130)
at JMXStartStopTest.test_13(JMXStartStopTest.java:775)
... 11 more
java.lang.Error
at JMXStartStopTest.main(JMXStartStopTest.java:288)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:502)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:92)
at java.lang.Thread.run(Thread.java:745)