Java application fails to resolve name

Hi Experts,
I have a problem with a Java based application on Solaris 10. The application works fine and suddenly fails to resolve names (NS lookup order is files then dns) and hence disconnects users. We have to then touch the /etc/hosts so it updates the time stamp and the application starts working OK.
I don't have a clue of what's going on...Any one ?
Any help will be very much appreciated...

I have you got a recent patch level on your Solaris 10 system. You shouldn't have to update /etc/hosts to get it to reread the file.

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    904803 wrote:
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  • TNS-03505 Failed to Resolve Hostname

    Guys I am having trouble with a NW2004s installation.  I am getting the following error when I do a TNSPING of my listener (LISTENER_DC1)
    TNS Ping Utility for IBM/AIX RISC System/6000: Version 10.2.0.2.0 - Production o
    n 03-SEP-2008 08:35:19
    Copyright (c) 1997, 2005, Oracle.  All rights reserved.
    Used parameter files:
    /oracle/DC1/102_64/network/admin/sqlnet.ora
    TNS-03505: Failed to resolve name
    p15913dtp220:oradc1> ^C
    p15913dtp220:oradc1> ^C
    p15913dtp220:oradc1>
    Here is my sqlnet.ora file
    p15913dtp220:oradc1> cat sqlnet.ora
    Filename......: sqlnet.ora
    Created.......: created by SAP AG, R/3 Rel. >= 6.10
    Name..........:
    Date..........:
    @(#) $Id: //bc/700-1_REL/src/ins/SAPINST/impl/tpls/ora/ind/SQLNET.ORA#4 $
    AUTOMATIC_IPC = ON
    TRACE_LEVEL_CLIENT = OFF
    NAMES.DEFAULT_DOMAIN = WORLD
    05.01.06 unsorported parameter now
    #NAME.DEFAULT_ZONE = WORLD
    05.01.06 set the default to 10
    SQLNET.EXPIRE_TIME = 10
    05.01.06 set to default
    #TCP.NODELAY=YES
    05.01.06 set to 32768
    DEFAULT_SDU_SIZE=32768
    This is my TNSNAMES.ORA file
    Filename......: tnsnames.ora
    Created.......: created by SAP AG, R/3 Rel. >= 6.10
    Name..........:
    Date..........:
    @(#) $Id: //bc/700-1_REL/src/ins/SAPINST/impl/tpls/ora/ind/TNSNAMES.ORA#4 $
    DC1.WORLD =
      (DESCRIPTION =
        (ADDRESS_LIST =
          (ADDRESS =
            (COMMUNITY = SAP.WORLD)
            (PROTOCOL = TCP)
            (HOST = sapdbdc1-sv)
            (PORT = 1539)
        (CONNECT_DATA =
          (SID = DC1)
          (GLOBAL_NAME = DC1.WORLD)
    This is my Listener.ora file
    Filename......: listener.ora
    Created.......: created by SAP AG, R/3 Rel. >= 6.10
    Name..........:
    Date..........:
    @(#) $Id: //bc/700-1_REL/src/ins/SAPINST/impl/tpls/ora/ind/LISTENER.ORA#4
    ADMIN_RESTRICTIONS_LISTENER_DC1 = on
    LISTENER_DC1 =
      (ADDRESS_LIST =
            (ADDRESS =
              (PROTOCOL = IPC)
              (KEY = DC1.WORLD)
            (ADDRESS=
              (PROTOCOL = IPC)
              (KEY = DC1)
            (ADDRESS =
              (COMMUNITY = SAP.WORLD)
              (PROTOCOL = TCP)
              (HOST = sapdbdc1-sv)
              (PORT = 1539)
    STARTUP_WAIT_TIME_LISTENER_DC1 = 0
    CONNECT_TIMEOUT_LISTENER_DC1 = 10
    TRACE_LEVEL_LISTENER_DC1 = OFF
    SID_LIST_LISTENER_DC1 =
      (SID_LIST =
        (SID_DESC =
          (SID_NAME = DC1)
          (ORACLE_HOME = /oracle/DC1/102_64)
        (SID_DESC =
          (SID_NAME = DC1)
          (ORACLE_HOME = /oracle/DC1/102_64)
    Any help much appreciated !!
    Thanks

    Cheers I am getting a bit further .....
    Fisrst I can start the database using SQLPLUS
    p15913dtp220:oradc1> sqlplus "/as sysdba"
    SQL*Plus: Release 10.2.0.2.0 - Production on Wed Sep 3 16:27:23 2008
    Copyright (c) 1982, 2005, Oracle.  All Rights Reserved.
    Connected to an idle instance.
    SQL> startup
    ORACLE instance started.
    Total System Global Area 4714397696 bytes
    Fixed Size                  2083728 bytes
    Variable Size            2365588592 bytes
    Database Buffers         2332033024 bytes
    Redo Buffers               14692352 bytes
    Database mounted.
    Database opened.
    SQL>
    Now as oradc1 I can start the listener
    LSNRCTL> START LISTENER_DC1
    Starting /oracle/DC1/102_64/bin/tnslsnr: please wait...
    TNSLSNR for IBM/AIX RISC System/6000: Version 10.2.0.2.0 - Production
    System parameter file is /oracle/DC1/102_64/network/admin/listener.ora
    Log messages written to /oracle/DC1/102_64/network/log/listener_dc1.log
    Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=DC1.WORLD)))
    Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=DC1)))
    Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=10.127.158.138)(PORT=153
    9)))
    Connecting to (ADDRESS=(PROTOCOL=IPC)(KEY=DC1.WORLD))
    STATUS of the LISTENER
    Alias                     LISTENER_DC1
    Version                   TNSLSNR for IBM/AIX RISC System/6000: Version 10.2.0.2
    .0 - Production
    Start Date                03-SEP-2008 16:36:20
    Uptime                    0 days 0 hr. 0 min. 0 sec
    Trace Level               off
    Security                  ON: Local OS Authentication
    SNMP                      ON
    Listener Parameter File   /oracle/DC1/102_64/network/admin/listener.ora
    Listener Log File         /oracle/DC1/102_64/network/log/listener_dc1.log
    Listening Endpoints Summary...
      (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=DC1.WORLD)))
      (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=DC1)))
      (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=10.127.158.138)(PORT=1539)))
    Services Summary...
    Service "DC1" has 1 instance(s).
      Instance "DC1", status UNKNOWN, has 1 handler(s) for this service...
    The command completed successfully
    And R3trans u2013d works
    p15913dtp220:dc1adm> R3trans -d
    This is R3trans version 6.14 (release 700 - 18.09.06 - 09:35:00).
    unicode enabled version
    R3trans finished (0000).
    BUT when I run startdb  u2026
    It just crashes u2026
    p15913dtp220:dc1adm> startdb
    Trying to start DC1 database ...
    Log file: /home/dc1adm/startdb.log
    /usr/sap/DC1/SYS/exe/run/startdb: Terminating with error code 16
    p15913dtp220:dc1adm> more startdb.log
    Wed Sep 3 16:39:14 BST 2008
    LOGFILE FOR STARTING ORACLE
    Trying to start DC1 database ...
    Wed Sep 3 16:39:14 BST 2008
    checking required environment variables
    ORACLE_HOME  is >/oracle/DC1/102_64<
    ORACLE_SID   is >DC1<
    Wed Sep 3 16:39:14 BST 2008
    check initora
    /usr/sap/DC1/SYS/exe/run/startdb: Terminating with error code 16
    p15913dtp220:dc1adm>

  • Failed to resolve JCO destination name 'WD_RFC_METADATA_DEST'

    Hi Experts,
    I am using NWDS 7.1 ehp1 version and  i developed a sample application here to retreive the data from r/3.
    when i try to execute the application it's giving the following error..
    com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Failed to resolve JCO destination name 'WD_RFC_METADATA_DEST' in the SLD. No such JCO destination is defined in the SLD.
    can anybody help me to solve this issue..
    thanks,
    viswa

    Hi,
    First test your destination.
    'WD_RFC_METADATA_DEST'
    Login as an Administrator, then click on "Check SLD", Check if if in your System Landscape Directory Both the ABAP technical system and a Web AS JAVA. are created or not????
    If not create the two systems.
    If they are already created then,
    click on "Maintain JCo Destinations" and there you can see all the applications and their corrosponding metadatas. If JCo is already created then status comes in green color or else status comes in red color.
    Check if these JCos are created or not....
    If they are not created then create the JCo destinations.
    If they are already created then Ping them....
    But as per your error, it seems like you haven't maintained JCo destinations.
    Refer this link,
    http://YourPortalURL:50000/webdynpro/dispatcher/sap.com/tcwdtools/Explorer
    Regards,
    Sunaina Reddy T

  • Failed to resolve JCO destination name 'WD_RFC_METADATA_DEST' in the SLD

    Hi!!!
          I am facing a problem, when I run any application, I get the following error,
    *com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Failed to resolve JCO destination name 'WD_RFC_METADATA_DEST' in the SLD. No such JCO destination is defined in the SLD. *
    Can any one please give some suggestion, on how to overcome this problem.
    Cheers!!!
    Umang

    Hi Umang,
    It seems like you have not activated or Defined your JCO (Java Connectors) in the System Landscape Directory(SLD). Please Login to your SLD and check if you can find the JCO ('WD_RFC_METADATA_DEST'). If you manage to find the Specified JCO, then you need to activate the
    Java Connector.
    I hope this helps. Please let me know if you have any more issues. Dont forget to close the thread if it is answered.
    Best Wishes,
    PG.

  • Failed to resolve JCO destination name 'WD_SO_INTERNAL_RFC_METADATA_DEST' i

    Hi  All,
    In the webdynpro content administrator.
    All the 'create ,the other links like 'test', 'preview','edit','ping','remove' are all disabled.
    when i am trying to access the webdynpro application i am getting the following error. can any body tell me what is the reason behind this.
    For your reference, i have uploaded the  screen shot of the webydnproContentAdministator , please look in to the wiki in the following path
    My Home > Web Dynpro Java > Main > Attachments
    comments : Webdynpro content administrator sceen shot
    Thanks,
    vijay
    Failed to resolve JCO destination name 'WD_SO_INTERNAL_RFC_METADATA_DEST' i
        at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.resolveConnectionParameter(JCOClientConnection.java:467)
        at com.sap.tc.webdynpro.serverimpl.core.sl.AbstractJCOClientConnection.init(AbstractJCOClientConnection.java:233)
        at com.sap.tc.webdynpro.serverimpl.core.sl.AbstractJCOClientConnection.<init>(AbstractJCOClientConnection.java:218)
        at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.<init>(JCOClientConnection.java:129)
        at com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory.getJCOClientConnection(SystemLandscapeFactory.java:150)
        ... 65 more

    Vishal,
    Yes, tha't's it. The SLD isn't configurated. You have to configurate the SLD before to use JCO Destinations.
    Have a look at this forum thread: Configure SLD for Web Dynpro

  • URGENT:  Failed to resolve JCO destination name 'WD_GPMS_RFC_METADATA_DEST'

    Hi,
    when logging in am getting com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Failed to resolve JCO destination name 'WD_GPMS_RFC_METADATA_DEST' in the SLD.
    I had restarted the Server & and also System.
    Exception:
    com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Failed to resolve JCO destination name 'WD_GPMS_RFC_METADATA_DEST' in the SLD. No such JCO destination is defined in the SLD.
    Accessing the System Landsape Directory (SLD) failed. Depending on the concrete reason (see root cause) check the following:
    is the SLD Supplier in the J2EE engine configured correctly? See the SLD documentation for more details about the SLD and about how to configure it.
    are all JCO destinations maintained correctly? Use the preinstalled Web Dynpro Content Admin application to check/edit the destination. Use the Ping and Test functions of the
    Content Admin to verify that each destination is properly configured.
    Additional information about the System Landscape Directory and the Web Dynpro Content Admin can be found in the SAP Developer Network (SDN) and in the Online Help for the SAP Web Application Server (installed with SAP NetWeaver Developer Studio and available online).
    Note: the above hints are only a guess. They are automatically derived from the exception that occurred and therefore can't be guaranteed to address the original problem in all cases.
    Please help me resolving it.
    Thanks,
    Hussain

    Hello Hussain,
    It looks like your Basis team has added another JCO destination to your Landscape....just check with them and create the jco destination on the portal...to fix it.
    Let me know if it helps.

  • Failed to resolve JCO destination name 'SAP_R3_SelfServiceGenerics_MetaData

    Hi,
    Got the following error message after login to my portal to access the ESS/MSS page:
    The initial exception that caused the request to fail, was:
       com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Failed to resolve JCO destination name 'SAP_R3_SelfServiceGenerics_MetaData' in the SLD. No such JCO destination is defined in the SLD.
        at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.resolveConnectionParameter(JCOClientConnection.java:476)
        at com.sap.tc.webdynpro.serverimpl.core.sl.AbstractJCOClientConnection.init(AbstractJCOClientConnection.java:241)
        at com.sap.tc.webdynpro.serverimpl.core.sl.AbstractJCOClientConnection.<init>(AbstractJCOClientConnection.java:226)
        at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.<init>(JCOClientConnection.java:129)
        at com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory.getJCOClientConnectionUnMapped(SystemLandscapeFactory.java:168)
        ... 75 more
    Any suggestion what is problem?

    Hi Wooi,
    Please create JCO destination 'SAP_R3_SelfServiceGenerics_MetaData' and 'SAP_R3_SelfServiceGenerics_MetaDataFIN' for Metadata. First check SLD working fine or not. if the SLD is fine then update SLD data supplier in the visual administrator.
    As you metioned the JCO are grayed out. then you need to update host and service file in server location. the do SLD and SLD data supplier test.
    Once JCO connection test will successful then your issue will resolved.
    Hope it will helps
    Regards
    Arun Jaiswal

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