Communication with the listener OEM problem

Hi all
for some reason, my OEM is corrupted and when activated, it messes with the listener. I have found the problem lies in OEM, rather than in the listener since I can establish connection between SQLdeveloper and the server through the listener without any problem.

I have the named instance INARA, host named FIREFLY. SNOWDROP.COM and the listener named ORACLE_LISTENER.

I closed the SQLdeveloper application and its listener and OEM first to identify the problem. After that I started OEM, emoms.log dumped Log Management Service:
2011-06-15 11:55:12,203 [HTTPThreadGroup-2] WARN  jdbc.ConnectionCache _getConnection.353 - Got a fatal exeption when getting a connection; Error code = 17002; Cleaning up cache and retrying
2011-06-15 11:55:12,204 [HTTPThreadGroup-2] ERROR conn.ConnectionService verifyRepositoryEx.891 - Invalid Connection Pool. ERROR = Io exception: The Network Adapter could not establish the connection
2011-06-15 11:55:12,205 [EMUI_11_55_12_/console/aboutApplication] ERROR svlt.PageHandler handleRequest.639 - java.lang.IllegalStateException: Response has already been committed
java.lang.IllegalStateException: Response has already been committed
     at com.evermind.server.http.EvermindHttpServletResponse.resetBuffer(EvermindHttpServletResponse.java:1892)
     at com.evermind.server.http.ServletRequestDispatcher.unprivileged_forward(ServletRequestDispatcher.java:249)
     at com.evermind.server.http.ServletRequestDispatcher.access$100(ServletRequestDispatcher.java:51)
     at com.evermind.server.http.ServletRequestDispatcher$2.oc4jRun(ServletRequestDispatcher.java:193)
     at oracle.oc4j.security.OC4JSecurity.doPrivileged(OC4JSecurity.java:284)
     at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:198)
     at oracle.sysman.emSDK.svlt.PageHandler.render(PageHandler.java:1113)
     at oracle.sysman.emSDK.svlt.PageHandler.myRender(PageHandler.java:1173)
     at oracle.sysman.emSDK.svlt.PageHandler.handleRequest(PageHandler.java:597)
     at oracle.sysman.emSDK.svlt.EMServlet.myDoGet(EMServlet.java:787)
     at oracle.sysman.emSDK.svlt.EMServlet.doGet(EMServlet.java:343)
     at oracle.sysman.eml.app.Console.doGet(Console.java:157)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
     at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64)
     at oracle.sysman.eml.app.EMRepLoginFilter.doFilter(EMRepLoginFilter.java:107)
     at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
     at oracle.sysman.db.adm.inst.HandleRepDownFilter.doFilter(HandleRepDownFilter.java:146)
     at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17)
     at oracle.sysman.eml.app.BrowserVersionFilter.doFilter(BrowserVersionFilter.java:122)
     at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17)
     at oracle.sysman.emSDK.svlt.EMRedirectFilter.doFilter(EMRedirectFilter.java:102)
     at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:17)
     at oracle.sysman.eml.app.ContextInitFilter.doFilter(ContextInitFilter.java:327)
     at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:621)
     at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)
     at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:871)
     at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:453)
     at com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:221)
     at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:122)
     at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:111)
     at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
     at oracle.oc4j.network.ServerSocketAcceptHandler.procClientSocket(ServerSocketAcceptHandler.java:234)
     at oracle.oc4j.network.ServerSocketAcceptHandler.access$700(ServerSocketAcceptHandler.java:29)
     at oracle.oc4j.network.ServerSocketAcceptHandler$AcceptHandlerHorse.run(ServerSocketAcceptHandler.java:879)
     at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
     at java.lang.Thread.run(Thread.java:595) 
also the trace file emagent.trc Management Agent dumped:
SQL = "                                                                   OCISessionGet"...
LOGIN = dbsnmp/<PW>@(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=firefly.snowdrop.com)(PORT=1521))(CONNECT_DATA=(SID=inara)))
2011-06-15 11:57:05,914 Thread-4147767632 ERROR vpxoci: ORA-12541: TNS:no listener
2011-06-15 11:57:05,914 Thread-4147767632 WARN  vpxoci: Login 0x67fd70 failed, error=ORA-12541: TNS:no listener
2011-06-15 11:57:05,914 Thread-4147767632 WARN  TargetManager: Exception in computing dynamic properties of {inara.snowdrop.com, oracle_database },GetDbBlockSize::ORA-12541: TNS:no listener
2011-06-15 11:57:05,916 Thread-4138318160 ERROR TargetManager: nmeetm.c : Target inara.snowdrop.com has a failed critical dynamic property
2011-06-15 11:57:05,918 Thread-4138318160 WARN  upload: Upload manager has no Failure script: disabled
2011-06-15 11:57:05,918 Thread-4138318160 WARN  upload: Amount of upload data will be recalculated due to reload.enabling collections and regenerating metadata.
2011-06-15 11:57:05,918 Thread-4138318160 WARN  TargetManager: Regenerating all Metadata
2011-06-15 11:57:05,983 Thread-4138318160 WARN  upload: Truncating value of "SHORT_NAME" from "Average Synchronous Single-Block Read Latency (ms)" to "Average Synchronous Single-Block Read La"
2011-06-15 11:57:05,983 Thread-4138318160 WARN  upload: Truncating value of "SHORT_NAME" from "Average Synchronous Single-Block Read Latency (ms)" to "Average Synchronous Single-Block Read La"
2011-06-15 11:57:06,080 Thread-4138318160 WARN  upload: Truncating value of "COLUMN_LABEL" from "Total messages processed per queue per subscriber per minute in the last interval" to "Total messages processed per queue per subscriber per minute in "
2011-06-15 11:57:06,080 Thread-4138318160 WARN  upload: Truncating value of "COLUMN_LABEL" from "Total messages received per queue per subscriber per minute in the last interval" to "Total messages received per queue per subscriber per minute in t"
2011-06-15 11:57:06,080 Thread-4138318160 WARN  upload: Truncating value of "COLUMN_LABEL" from "Messages processed per queue (%) per subscriber per minute in the last interval" to "Messages processed per queue (%) per subscriber per minute in th"
2011-06-15 11:57:06,080 Thread-4138318160 WARN  upload: Truncating value of "COLUMN_LABEL" from "Age of the first message in persistent queue per subscriber (seconds)" to "Age of the first message in persistent queue per subscriber (sec"
2011-06-15 11:57:06,081 Thread-4138318160 WARN  upload: Truncating value of "COLUMN_LABEL" from "Age of the first message in the buffered queue per queue (seconds)" to "Age of the first message in the buffered queue per queue (second"
2011-06-15 11:57:06,096 Thread-4138318160 WARN  collector: enable collector
2011-06-15 11:57:06,100 Thread-4138318160 WARN  collector: Regenerating all DefaultColls
2011-06-15 11:57:07,145 Thread-4147767632 ERROR upload: Exceeded max. amount of upload data: 314 files, 346.533864 MB Data. 89.74% of disk used. Disabling collections.
2011-06-15 11:57:07,145 Thread-4147767632 WARN  collector: Disable collector
2011-06-15 11:57:08,237 Thread-4147767632 ERROR pingManager: nmepm_pingReposURL: Did not receive a response header from repository
2011-06-15 11:57:08,337 Thread-4147767632 ERROR pingManager: nmepm_pingReposURL: Did not receive a response header from repository
2011-06-15 11:57:38,442 Thread-4147767632 ERROR pingManager: nmepm_pingReposURL: Did not receive a response header from repository
2011-06-15 11:57:38,545 Thread-4147767632 ERROR pingManager: nmepm_pingReposURL: Did not receive a response header from repository
2011-06-15 11:58:08,732 Thread-4138318160 ERROR pingManager: nmepm_pingReposURL: Did not receive a response header from repository
2011-06-15 11:58:08,835 Thread-4138318160 ERROR pingManager: nmepm_pingReposURL: Did not receive a response header from repository
2011-06-15 11:58:38,952 Thread-4138318160 ERROR pingManager: nmepm_pingReposURL: Did not receive a response header from repository
2011-06-15 11:58:39,055 Thread-4138318160 ERROR pingManager: nmepm_pingReposURL: Did not receive a response header from repository
2011-06-15 11:59:09,157 Thread-4138318160 ERROR pingManager: nmepm_pingReposURL: Did not receive a response header from repository
2011-06-15 11:59:09,260 Thread-4138318160 ERROR pingManager: nmepm_pingReposURL: Did not receive a response header from repository
2011-06-15 11:59:39,364 Thread-4138318160 ERROR pingManager: nmepm_pingReposURL: Did not receive a response header from repository
2011-06-15 11:59:39,465 Thread-4138318160 ERROR pingManager: nmepm_pingReposURL: Did not receive a response header from repository
2011-06-15 11:59:58,595 Thread-4154857808 ERROR command: nmejcn: received no status header from repository at https://firefly.snowdrop.com:5500/em/upload/
Looked like OEM had some errors and warnings after it opened, but I don't know what they meant.

After OEM is started successfully, at least according to the commandment of emtcl, I started ORACLE_LISTENER listener. At this point, I did the loopback test using NET manager on the server, and it took forever so I aborted it. The database at this point was still open and running without problem however. Taken TNSPING 157080 msc to return an OK value, meanwhile lsnrctl status ORACLE_STATUS was at a standstill.

Then look at emagent.trc after that the listener was launched:
2011-06-15 12:02:10,306 Thread-4138318160 WARN  ssl: <nmehlssl.c:nmehlssl_readcb>: nmehl_read_sock timed out, rsf = -5, setting read timeout flag
2011-06-15 12:02:10,306 Thread-4138318160 WARN  ssl.io: fd=6: nmehlssl_read, nzos_Read error = 28862 readTimed Out = 1
2011-06-15 12:02:10,306 Thread-4138318160 WARN  http: <nmehl.c>:<nmehl_readline>: nmehlssl_read() timed out
2011-06-15 12:02:10,306 Thread-4138318160 ERROR pingManager: nmepm_pingReposURL: Error in request response. code = 400. text = 
2011-06-15 12:02:40,433 Thread-4138318160 WARN  ssl: <nmehlssl.c:nmehlssl_readcb>: nmehl_read_sock timed out, rsf = -5, setting read timeout flag
2011-06-15 12:02:40,433 Thread-4138318160 WARN  ssl.io: fd=6: nmehlssl_read, nzos_Read error = 28862 readTimed Out = 1
2011-06-15 12:02:40,433 Thread-4138318160 WARN  http: <nmehl.c>:<nmehl_readline>: nmehlssl_read() timed out
2011-06-15 12:02:40,433 Thread-4138318160 ERROR pingManager: nmepm_pingReposURL: Error in request response. code = 400. text = 
2011-06-15 12:03:40,570 Thread-4138318160 WARN  ssl: <nmehlssl.c:nmehlssl_readcb>: nmehl_read_sock timed out, rsf = -5, setting read timeout flag
2011-06-15 12:03:40,570 Thread-4138318160 WARN  ssl.io: fd=6: nmehlssl_read, nzos_Read error = 28862 readTimed Out = 1
2011-06-15 12:03:40,570 Thread-4138318160 WARN  http: <nmehl.c>:<nmehl_readline>: nmehlssl_read() timed out
2011-06-15 12:03:40,570 Thread-4138318160 ERROR pingManager: nmepm_pingReposURL: Error in request response. code = 400. text = 
2011-06-15 12:04:10,704 Thread-4138318160 WARN  ssl: <nmehlssl.c:nmehlssl_readcb>: nmehl_read_sock timed out, rsf = -5, setting read timeout flag
2011-06-15 12:04:10,704 Thread-4138318160 WARN  ssl.io: fd=6: nmehlssl_read, nzos_Read error = 28862 readTimed Out = 1
2011-06-15 12:04:10,704 Thread-4138318160 WARN  http: <nmehl.c>:<nmehl_readline>: nmehlssl_read() timed out
2011-06-15 12:04:10,704 Thread-4138318160 ERROR pingManager: nmepm_pingReposURL: Error in request response. code = 400. text = 
also emoms.trc
2011-06-15 12:05:26,159 [HTTPThreadGroup-6] WARN  jdbc.ConnectionCache _getConnection.353 - Got a fatal exeption when getting a connection; Error code = 17002; Cleaning up cache and retrying
2011-06-15 12:05:29,774 [HTTPThreadGroup-5] WARN  jdbc.ConnectionCache _getConnection.352 - Io exception: Socket read timed out
java.sql.SQLException: Io exception: Socket read timed out
     at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:77)
     at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:111)
     at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:174)
     at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:230)
     at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:501)
     at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:436)
     at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:621)
     at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:203)
     at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:34)
     at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:492)
     at oracle.jdbc.pool.OracleDataSource.getPhysicalConnection(OracleDataSource.java:386)
     at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:276)
     at oracle.jdbc.pool.OracleConnectionPoolDataSource.getPhysicalConnection(OracleConnectionPoolDataSource.java:212)
     at oracle.jdbc.pool.OracleConnectionPoolDataSource.getPooledConnection(OracleConnectionPoolDataSource.java:140)
     at oracle.jdbc.pool.OracleImplicitConnectionCache.makeCacheConnection(OracleImplicitConnectionCache.java:1752)
     at oracle.jdbc.pool.OracleImplicitConnectionCache.makeOneConnection(OracleImplicitConnectionCache.java:644)
     at oracle.jdbc.pool.OracleImplicitConnectionCache.getCacheConnection(OracleImplicitConnectionCache.java:592)
     at oracle.jdbc.pool.OracleImplicitConnectionCache.getConnection(OracleImplicitConnectionCache.java:460)
     at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:544)
     at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:480)
     at oracle.sysman.util.jdbc.ConnectionCache._getConnection(ConnectionCache.java:336)
     at oracle.sysman.util.jdbc.ConnectionCache._getConnection(ConnectionCache.java:322)
     at oracle.sysman.util.jdbc.ConnectionCache.getUnwrappedConnection(ConnectionCache.java:575)
     at oracle.sysman.emSDK.svc.conn.FGAConnectionCache.getFGAConnection(FGAConnectionCache.java:207)
     at oracle.sysman.emSDK.svc.conn.ConnectionService.getPrivateConnection(ConnectionService.java:1138)
     at oracle.sysman.emSDK.svc.conn.ConnectionService.getPrivateConnection(ConnectionService.java:1172)
     at oracle.sysman.emdrep.receiver.OMSHandshake.getParameterFromDB(OMSHandshake.java:570)
     at oracle.sysman.emdrep.receiver.OMSHandshake.getMaxAgentCompatVer(OMSHandshake.java:552)
     at oracle.sysman.emdrep.receiver.OMSHandshake.handshake(OMSHandshake.java:1033)
     at oracle.sysman.emdrep.receiver.OMSHandshake.handshake(OMSHandshake.java:836)
     at oracle.sysman.emdrep.receiver.FxferRecv.doGet(FxferRecv.java:598)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
     at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64)
     at oracle.sysman.eml.app.ContextInitFilter.doFilter(ContextInitFilter.java:327)
     at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:623)
     at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)
     at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:871)
     at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:453)
     at com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:221)
     at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:122)
     at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:111)
     at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
     at oracle.oc4j.network.ServerSocketAcceptHandler.procClientSocket(ServerSocketAcceptHandler.java:234)
     at oracle.oc4j.network.ServerSocketAcceptHandler.access$700(ServerSocketAcceptHandler.java:29)
     at oracle.oc4j.network.ServerSocketAcceptHandler$AcceptHandlerHorse.run(ServerSocketAcceptHandler.java:879)
     at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
     at java.lang.Thread.run(Thread.java:595)
2011-06-15 12:05:29,775 [HTTPThreadGroup-5] WARN  jdbc.ConnectionCache _getConnection.353 - Got a fatal exeption when getting a connection; Error code = 17002; Cleaning up cache and retrying
Finally, the ORACLE_LISTENER journal says:
15-JUN-2011 12:16:38 * <unknown connect data> * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.5)(PORT=18844)) * establish * <unknown sid> * 12525
TNS-12525: TNS:listener has not received client's request in time allowed
 TNS-12535: TNS:operation timed out
  TNS-12606: TNS: Application timeout occurred
15-JUN-2011 12:16:38 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=__jdbc__)(USER=oracle))(SERVICE_NAME=inara.snowdrop.com)) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.5)(PORT=18842)) * establish * inara.snowdrop.com * 0
15-JUN-2011 12:16:38 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=__jdbc__)(USER=oracle))(SERVICE_NAME=inara.snowdrop.com)) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.5)(PORT=18838)) * establish * inara.snowdrop.com * 0
15-JUN-2011 12:16:38 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=__jdbc__)(USER=oracle))(SERVICE_NAME=inara.snowdrop.com)) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.5)(PORT=18833)) * establish * inara.snowdrop.com * 0
15-JUN-2011 12:16:38 * service_update * inara * 0
15-JUN-2011 12:16:38 * service_update * inara * 0
15-JUN-2011 12:16:38 * service_update * inara * 0
At this point, part of the NET services caused by OEM, corruption has been altered, but I didn't know what caused it. NET with his listener services can operate normally after I stopped OEM and forced killed the listener and restarted normally.

No idea how to solve the problem of this point?
Kind regards
Val

Valerie,

The problems are manifold.

1 in listener.ora are two defined listeners, as well running on port 1521. This is not going to work. As the default listener name is 'Listener', probably the named listener "listener" is launched and the listener called 'oracle_listener' has never worked. Check this box by issuing

status lsnrctl listener

lsnrctl status oracle_listener.

Delete oracle_listener.

2 the tnsnames.ora is a mess.
Apart from the first definition, INARA, everything else can be removed, as they are incorrect, in any case. Localhost means 127.0.0.1, you do not have a listening port on localhost, so all the definitions referring to localhost are redundant.

Should a .properties file in $ORACLE_HOME/sysman /... with the definition of the listener. Currently I can't find it, but then I use 11 GR 2.

-------------
Sybrand Bakker
Senior Oracle DBA

Tags: Database

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