Error communicating with the server monitoring

Dear,

I'm trying monitar a server and I'm having to return the error message

java.io.IOException: Couldn't connect to the specified host :
        at weblogic.management.remote.common.ClientProviderBase.makeConnection(ClientProviderBase.java:196)
        at weblogic.management.remote.common.ClientProviderBase.newJMXConnector(ClientProviderBase.java:84)
        at javax.management.remote.JMXConnectorFactory.newJMXConnector(Unknown Source)
        at javax.management.remote.JMXConnectorFactory.connect(Unknown Source)
        at com.adventnet.appmanager.server.wlogic.statuspoll.WeblogicReference.lookupMBeanServer9(WeblogicReference.java:105)
        at com.adventnet.appmanager.server.wlogic.statuspoll.WeblogicReference.main(WeblogicReference.java:470)
Caused by: javax.naming.NamingException: Couldn't connect to the specified host : [Root exception is org.omg.CORBA.COMM_FAILURE:   vmcid: SUN minor code: 208 completed: Maybe]
        at weblogic.corba.j2ee.naming.Utils.wrapNamingException(Utils.java:83)
        at weblogic.corba.j2ee.naming.ORBHelper.getORBReferenceWithRetry(ORBHelper.java:656)
        at weblogic.corba.j2ee.naming.ORBHelper.getORBReference(ORBHelper.java:594)
        at weblogic.corba.j2ee.naming.InitialContextFactoryImpl.getInitialContext(InitialContextFactoryImpl.java:85)
        at weblogic.corba.j2ee.naming.InitialContextFactoryImpl.getInitialContext(InitialContextFactoryImpl.java:31)
        at weblogic.jndi.WLInitialContextFactory.getInitialContext(WLInitialContextFactory.java:46)
        at javax.naming.spi.NamingManager.getInitialContext(Unknown Source)
        at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source)
        at javax.naming.InitialContext.init(Unknown Source)
        at javax.naming.InitialContext.<init>(Unknown Source)
        at weblogic.management.remote.common.ClientProviderBase.makeConnection(ClientProviderBase.java:178)
        ... 5 more
Caused by: org.omg.CORBA.COMM_FAILURE:   vmcid: SUN minor code: 208 completed: Maybe
        at com.sun.corba.se.impl.logging.ORBUtilSystemException.connectionAbort(Unknown Source)
        at com.sun.corba.se.impl.logging.ORBUtilSystemException.connectionAbort(Unknown Source)
        at com.sun.corba.se.impl.transport.SocketOrChannelConnectionImpl.readBits(Unknown Source)
        at com.sun.corba.se.impl.transport.SocketOrChannelConnectionImpl.read(Unknown Source)
        at com.sun.corba.se.impl.transport.ReaderThreadImpl.doWork(Unknown Source)
        at com.sun.corba.se.impl.orbutil.threadpool.ThreadPoolImpl$WorkerThread.run(Unknown Source)
Caused by: org.omg.CORBA.COMM_FAILURE:   vmcid: SUN minor code: 211 completed: No
        at com.sun.corba.se.impl.logging.ORBUtilSystemException.ioexceptionWhenReadingConnection(Unknown Source)
        at com.sun.corba.se.impl.logging.ORBUtilSystemException.ioexceptionWhenReadingConnection(Unknown Source)
        at com.sun.corba.se.impl.protocol.giopmsgheaders.MessageBase.readGIOPHeader(Unknown Source)
        at com.sun.corba.se.impl.protocol.giopmsgheaders.MessageBase.readGIOPMessage(Unknown Source)
        at com.sun.corba.se.impl.transport.CorbaContactInfoBase.createMessageMediator(Unknown Source)
        ... 4 more
Caused by: java.io.IOException: End-of-stream
        at com.sun.corba.se.impl.transport.SocketOrChannelConnectionImpl.readFully(Unknown Source)
        at com.sun.corba.se.impl.transport.SocketOrChannelConnectionImpl.read(Unknown Source)
        ... 7 more
java.io.FileNotFoundException: ./weblogicout_10.13.89.20_15000.txt (Permission denied)
        at java.io.FileOutputStream.open(Native Method)
        at java.io.FileOutputStream.<init>(Unknown Source)
        at java.io.FileOutputStream.<init>(Unknown Source)
        at java.io.FileWriter.<init>(Unknown Source)
        at com.adventnet.appmanager.server.wlogic.statuspoll.WeblogicReference.writeObjNames(WeblogicReference.java:219)
        at com.adventnet.appmanager.server.wlogic.statuspoll.WeblogicReference.main(WeblogicReference.java:480)