Show user-friendly message in case of 'Connection refused'

[activeeon-bot]

Original issue created by Vladimir Bodnartchouk on 28, Feb 2014 at 18:03 PM - PRC-8

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git rev. ae41b3c9c717d0a86066a56888d7aa0c96ab5d04

There should be a user-friendly message instead of the printed exception

PAConnect(url='http://localhost:8080/rest/rest', login='demo', pwd='demo');
log4j:WARN No appenders could be found for logger (org.jboss.resteasy.plugins.providers.DocumentProvider).
log4j:WARN Please initialize the log4j system properly.
(link: 1) "Error in PAConnect(http://localhost:8080/rest/rest) :"
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.ow2.proactive.scheduler.rest.SessionHandler.invoke(SessionHandler.java:58)
at com.sun.proxy.$Proxy0.init(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at RJavaTools.invokeMethod(RJavaTools.java:386)
Caused by: java.lang.RuntimeException: java.lang.reflect.UndeclaredThrowableException
at org.ow2.proactive.scheduler.rest.SchedulerClient.renewSession(SchedulerClient.java:811)
at org.ow2.proactive.scheduler.rest.SchedulerClient.init(SchedulerClient.java:163)
... 11 more
Caused by: java.lang.reflect.UndeclaredThrowableException
at com.sun.proxy.$Proxy31.login(Unknown Source)
at org.ow2.proactive.scheduler.rest.SchedulerClient.renewSession(SchedulerClient.java:809)
... 12 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.ow2.proactive_grid_cloud_portal.scheduler.client.SchedulerRestClient$RestClientExceptionHandler.invoke(SchedulerRestClient.java:182)
... 14 more
Caused by: java.lang.RuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://localhost:8080 refused
at org.jboss.resteasy.client.core.ClientInvoker.invoke(ClientInvoker.java:114)
at org.jboss.resteasy.client.core.ClientProxy.invoke(ClientProxy.java:88)
at com.sun.proxy.$Proxy30.login(Unknown Source)
... 19 more
Caused by: org.apache.http.conn.HttpHostConnectException: Connection to http://localhost:8080 refused
at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:190)
at org.apache.http.impl.conn.ManagedClientConnectionImpl.open(ManagedClientConnectionImpl.java:294)
at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:640)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:479)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805)
at org.jboss.resteasy.client.core.executors.ApacheHttpClient4Executor.execute(ApacheHttpClient4Executor.java:109)
at org.jboss.resteasy.core.interception.ClientExecutionContextImpl.proceed(ClientExecutionContextImpl.java:39)
at org.jboss.resteasy.plugins.interceptors.encoding.AcceptEncodingGZIPInterceptor.execute(AcceptEncodingGZIPInterceptor.java:40)
at org.jboss.resteasy.core.interception.ClientExecutionContextImpl.proceed(ClientExecutionContextImpl.java:45)
at org.jboss.resteasy.client.ClientRequest.execute(ClientRequest.java:443)
at org.jboss.resteasy.client.ClientRequest.httpMethod(ClientRequest.java:677)
at org.jboss.resteasy.client.core.ClientInvoker.invoke(ClientInvoker.java:110)
... 21 more
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:579)
at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:127)
at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:180)
... 33 more
Show Traceback

Rerun with Debug
Error in .jcall("RJavaTools", "Ljava/lang/Object;", "invokeMethod", cl, :
java.lang.reflect.InvocationTargetException