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Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like nl exception was generated oracle 12c you, helping each other. Join them; it only takes a minute: Sign up Odd Oracle connection URL up vote 3 down vote favorite 2 One of our customers is trying to connect to an Oracle database with the following JDBC URL: jdbc:oracle:thin:@(DESCRIPTION=(FAILOVER=ON)LOAD_BALANCE=OFF)(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=server1.domain.com)(PORT=1521))(ADDRESS=(PROTOCOL=TCP)(HOST=server2.domain.com)(PORT=1521)))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=FOO))) They get this error: Caused by: oracle.net.ns.NetException: NL Exception was generated at oracle.net.resolver.AddrResolution.resolveAddrTree(AddrResolution.java:614) ~[ojdbc5_11g-126.96.36.199.0.jar:188.8.131.52.0] at nl exception was generated oracle 10g oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:411) ~[ojdbc5_11g-184.108.40.206.0.jar:220.127.116.11.0] at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:672) ~[ojdbc5_11g-18.104.22.168.0.jar:22.214.171.124.0] at oracle.net.ns.NSProtocol.connect(NSProtocol.java:237) ~[ojdbc5_11g-126.96.36.199.0.jar:188.8.131.52.0] at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1042) ~[ojdbc5_11g-184.108.40.206.0.jar:220.127.116.11.0] at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:301) ~[ojdbc5_11g-18.104.22.168.0.jar:22.214.171.124.0] Questions: I've never seen such a connection URL before. It looks more like an entry in TNSNAMES.ORA. How can I find out what this connection string means? What could be causing this useless error message? java oracle jdbc share|improve this question edited Jan 4 '13 at 13:39 Abubakkar Rangara 9,8143160 asked Jan 4 '13 at 13:38 Aaron Digulla 203k60364574 what does the tnsnames entry look like? Can you tnsping FOO? –tbone Jan 4 '13 at 13:41 3 It is the 'Oracle Net connection descriptor syntax', see table 8.3 in the JDBC Developers Guide –Mark Rotteveel Jan 4 '13 at 13:44 As to the issue it looks to me like you are missing a ( before LOAD_BALANCE –Mark Rotteveel Jan 4 '13 at 13:45 As said above. We're also using these connection. It does a fail over if one of these to server in ADDRESS_LIST is down. And it
is already used by an existingobject » java.sql.SQLException: Io exception: NL Exception wasgenerated June 3, 2013 by urisnotaword It has been almost a year since my last post. And
in the meantime, the blog has supposedly reached 15,000 hits. Kind of crazy.. io error nl exception was generated sql developer I've gotten into a very bad habit of beginning to write my encountered errors in a notepad with the intention
of transferring them to the blog at a later date - which is a habit I now hope to break as the whole point of this blog was to a. have a central spot http://stackoverflow.com/questions/14158263/odd-oracle-connection-url where I could easily look up all those things I say "i know i saw this before…what did i do to fix it???" - and b.pay back the many other blogs and posts that have shared experiences and assisted me in learning about Oracle and troubleshooting over the years. So, jabbering aside - back to the purpose of the blog - and hopefully back to updating it https://urisnotaword.wordpress.com/2013/06/03/java-sql-sqlexception-io-exception-nl-exception-was-generated/ in a timely manner when i encounter an issue.. Today's issue: I've been testing variations of a jdbc Data Guard failover connect string with an app we have. The string: jdbc:oracle:thin:@(DESCRIPTION=(ADDRESS_LIST=(LOAD_BALANCE=off)(FAILOVER=ON)(ADDRESS=(PROTOCOL=tcp)(HOST=myserver01)(PORT=1521))(ADDRESS=(PROTOCOL=tcp)(HOST=myserver02)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=mydb.myhost))) Which - though I've used this string before, resulted in the app reporting: SEVERE: There was a problem executing a database call. .. java.sql.SQLException: Io exception: NL Exception was generated A very helpful error.. I found this post - https://forums.oracle.com/forums/thread.jspa?messageID=2860787 mentioning that they received this error due to a missing parenthesis before the "DESCRIPTION". On further review, I too hit this error due to missing parenthesis -> the middle of this section "(PORT=1521))(CONNECT_DATA=" should read "(PORT=1521)))(CONNECT_DATA=" Like this:Like Loading... Related Posted in daily oddities, data guard, errors | 1 Comment One Response on December 19, 2015 at 1:17 pm | Reply Ladislav Jech This issue also occurs when you connect to Oracle RAC with older version of JDBC adapters, always check the compatible and certified JDBC adapters for your database. Comments RSS Leave a Reply Cancel reply Enter your comment here... Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your Word
SQL TuningSecurityOracle UNIXOracle LinuxMonitoringRemote supportRemote plansRemote servicesApplication Server ApplicationsOracle FormsOracle PortalApp UpgradesSQL ServerOracle ConceptsSoftware SupportRemote Support Development Implementation Consulting StaffConsulting PricesHelp Wanted! Oracle PostersOracle Books Oracle Scripts Ion Excel-DB Don Burleson Bloghttp://www.dba-oracle.com/bk_nl_exception_connecting_10g_rac_jdbc.htm NL Exception on 10g RAC JDBC Oracle http://oracleappstechnology.blogspot.com/2010/03/io-exception-nl-exception-was-generated.html Tips by Burleson Consulting May 5, 2008 Question: I'm trying to connect to multiple Oracle 10g databases (failover) over the JDBC thin client, and when I run the following, I get: java.sql.SQLException: Io exception: NL Exception was generated connection = DriverManager.getConnection("jdbc:oracle:thin:@DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP) (HOST = dbdev) (PORT = exception was 1521))) (CONNECT_DATA = (INSTANCE_NAME = orcldev)))", "scott", "tiger"); I eventually want to put multiple addresses in that string. Right now I'm trying to get it to work with one! I've tried multiple variations of this and using the internal IP address for the HOST dbdev (see below). Here's the tnsnames.ora file used by SQL*Plus on the same client machine that the NL Exception Error in RZC is occurring: ORCLDEV.world exception was generated = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.132)(PORT = 1521)) (CONNECT_DATA = (SID = orcldev) ) ) Answer: Try This to solve your oracle NL Exception error on 10g RAC: jdbc:oracle:thin:@(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)))(HOST=host )(PORT=port) (CONNECT_DATA=(SERVICE_NAME=sid)(SERVER=DEDICATED)) Adding SERVER=DEDICATED should clear up this NL Exception error (see below) MOSC Note:139775.1 has information available on the oracle NL Exception error: "To verify whether you are hitting this problem, verify whether the Oracle instance is configured for Multithreaded Server (MTS). If the Oracle instance is not configured for MTS, you are probably encountering a different problem. Otherwise, continue." MOSC goes on about the NL Exception error: "To understand why this problem occurs, one must first understand the differences in how the listener handles connections to shared servers versus dedicated servers." MOSC also goes on to describe the solutions to an NL Exception error: "Obviously, one solution is to use dedicated servers. However, this may not always be feasible. The key is to make sure the hostname on both the client and server agree." �� Burleson is the Am
Exception was generated' running IRCA Shahed pinged me about this during SOA installation:$ sh irca.shIntegration Repository Creation Assistant (IRCA) 10.1.3.1.0(c) Copyright 2006 Oracle Corporation. All rights reserved.Enter database "host port serviceName" [localhost 1521 orcl]: justanexample 1521 soa11gEnter sys password:Running IRCA for all product(s): connection="justanexample 1521 soa11g", , orabpelUser=ORABPEL, esbUser=ORAESB, orawsmUser=ORAWSMERROR: Failed to establish database connection due to the following error:ORA-01017: invalid username/password; logon deniedPlease check your connection parameters and try again.I tried it and got different result:$ sh irca.shIntegration Repository Creation Assistant (IRCA) 10.1.3.1.0(c) Copyright 2006 Oracle Corporation. All rights reserved.Enter database "host port serviceName" [localhost 1521 orcl]: "justanexample 1521 soa11g"Enter sys password: Running IRCA for all product(s): connection=""justanexample 1521 soa11g"", , orabpelUser=ORABPEL, esbUser=ORAESB, orawsmUser=ORAWSMERROR: Failed to establish database connection due to the following error:Io exception: NL Exception was generatedPlease check your connection parameters and try again.A search on My Oracle Support showed up Article [ID 580448.1]CauseA valid connection 'as sysdba' could not be established to the Oracle RDBMS instance.Testing a connection from a JDeveloper client to the target RDBMS shows that a SYSTEM schema cancreate a connection, but SYS is also unable to create a regular rdbms connection. ThereforeJDeveloper is having the same problem making a 'SYS as sysdba' connection over jdbc thin.SolutionCreate a password file and ensure that your RDBMS allows remote connections as sysdba.Issue was resolved after creating passwordfile by running orapwd :Usage: orapwd file= password= entries= force= ignorecase= nosysdba= Posted by Vikram Das at 8:28 AM Labels: IRCA No comments: Post a Comment Newer Post Older Post Home Subscribe to: Post Comments (Atom) About me Vikram Das, ERP Technical Architect Post Your Questions Here Google Group: Oracle Apps Technology Subscribe via email Enter your email address:Delivered by FeedBurner Subscribe To Posts Atom Posts Comments Atom Comments Disclaimer The postings on this blog are my personal opinions. This content is not read or appro
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