java.lang.ClassNotFoundException: org.postgresql.Driver

Terracotta Project Issue Tracker | Yi Zhang | 6 years ago
tip
Your exception is missing from the Samebug knowledge base.
Here are the best solutions we found on the Internet.
Click on the to mark the helpful solution and get rewards for you help.
  1. 0

    Running example 13 as it is fails with Could not load driverClass org.postgresql.Driver java.lang.ClassNotFoundException: org.postgresql.Driver at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:423) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:186) at com.mchange.v2.c3p0.DriverManagerDataSource.ensureDriverLoaded(DriverManagerDataSource.java:101) at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:133) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014) at com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32) at com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810) at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547) [WARN] 16 Sep 01:21:10.763 PM com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0 [com.mchange.v2.c3p0.DriverManagerDataSource] Could not load driverClass org.postgresql.Driver which is not surprising because the intended classpath to find postgres.jar rem Put the path to your JDBC driver(s) in this variable @SET JDBC_CP=..\..\lib\postgres.jar "java" -cp "%QUARTZ_CP%;%JDBC_CP%" %QUARTZ_PROPS% %LOG4J_PROPS% org.quartz.examples.example13.ClusterExample %1 will not find it at Directory of C:\Terracotta\terracotta-ee-3.5.3-nightly-rev18716\quartz\lib 09/15/2011 11:34 AM <DIR> . 09/15/2011 11:34 AM <DIR> .. 01/18/2011 12:17 AM 608,376 c3p0-0.9.1.1.jar 04/21/2009 08:05 AM 15,071 jta-1.1.jar 01/09/2009 01:12 PM 367,444 log4j-1.2.14.jar 12/17/2010 12:32 PM 25,496 slf4j-api-1.6.1.jar 01/18/2011 12:17 AM 9,753 slf4j-log4j12-1.6.1.jar ============================================================================================ Now, it is unclear whether the example is telling the user to go get their own database and put their own jar there; if so it should be a lot more explicit than is currently the case at https://svn.terracotta.org/repo/quartz/trunk/examples/example13/clustering_readme.txt Furthermore the readme states that scripts to setup the database tables for various popular databases are included with quartz; however 1) It does not say where 2) I cannot find them So it seems like there's at least one issue of documentation for how/where to get the DB set up, and potentially one for us not including the needed jars/scripts to actually get things working.

    Terracotta Project Issue Tracker | 6 years ago | Yi Zhang
    java.lang.ClassNotFoundException: org.postgresql.Driver
  2. 0

    Running example 13 as it is fails with Could not load driverClass org.postgresql.Driver java.lang.ClassNotFoundException: org.postgresql.Driver at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:423) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:186) at com.mchange.v2.c3p0.DriverManagerDataSource.ensureDriverLoaded(DriverManagerDataSource.java:101) at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:133) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182) at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137) at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014) at com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32) at com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810) at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547) [WARN] 16 Sep 01:21:10.763 PM com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0 [com.mchange.v2.c3p0.DriverManagerDataSource] Could not load driverClass org.postgresql.Driver which is not surprising because the intended classpath to find postgres.jar rem Put the path to your JDBC driver(s) in this variable @SET JDBC_CP=..\..\lib\postgres.jar "java" -cp "%QUARTZ_CP%;%JDBC_CP%" %QUARTZ_PROPS% %LOG4J_PROPS% org.quartz.examples.example13.ClusterExample %1 will not find it at Directory of C:\Terracotta\terracotta-ee-3.5.3-nightly-rev18716\quartz\lib 09/15/2011 11:34 AM <DIR> . 09/15/2011 11:34 AM <DIR> .. 01/18/2011 12:17 AM 608,376 c3p0-0.9.1.1.jar 04/21/2009 08:05 AM 15,071 jta-1.1.jar 01/09/2009 01:12 PM 367,444 log4j-1.2.14.jar 12/17/2010 12:32 PM 25,496 slf4j-api-1.6.1.jar 01/18/2011 12:17 AM 9,753 slf4j-log4j12-1.6.1.jar ============================================================================================ Now, it is unclear whether the example is telling the user to go get their own database and put their own jar there; if so it should be a lot more explicit than is currently the case at https://svn.terracotta.org/repo/quartz/trunk/examples/example13/clustering_readme.txt Furthermore the readme states that scripts to setup the database tables for various popular databases are included with quartz; however 1) It does not say where 2) I cannot find them So it seems like there's at least one issue of documentation for how/where to get the DB set up, and potentially one for us not including the needed jars/scripts to actually get things working.

    Terracotta Project Issue Tracker | 6 years ago | Yi Zhang
    java.lang.ClassNotFoundException: org.postgresql.Driver
  3. 0

    Unhelpful error message in the InstaREPL

    GitHub | 4 years ago | manuelp
    java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
  4. Speed up your debug routine!

    Automated exception search integrated into your IDE

  5. 0

    GitHub comment 1359#132109887

    GitHub | 2 years ago | ilevans
    java.lang.ClassNotFoundException: com.microsoft.sqlserver.jdbc.SQLServerDriver
  6. 0

    Error create server

    GitHub | 2 years ago | douglaspedro
    java.lang.ClassNotFoundException: com.microsoft.sqlserver.jdbc.SQLServerDriver

  1. bandoca 2 times, last 7 days ago
  2. jokester 2 times, last 1 week ago
  3. arturgajowy 8 times, last 1 week ago
  4. rp 1 times, last 2 weeks ago
  5. tzrlk 1 times, last 1 month ago
64 more registered users
31 unregistered visitors
Not finding the right solution?
Take a tour to get the most out of Samebug.

Tired of useless tips?

Automated exception search integrated into your IDE

Root Cause Analysis

  1. java.lang.ClassNotFoundException

    org.postgresql.Driver

    at java.net.URLClassLoader$1.run()
  2. Java RT
    Class.forName
    1. java.net.URLClassLoader$1.run(URLClassLoader.java:366)
    2. java.net.URLClassLoader$1.run(URLClassLoader.java:355)
    3. java.security.AccessController.doPrivileged(Native Method)
    4. java.net.URLClassLoader.findClass(URLClassLoader.java:354)
    5. java.lang.ClassLoader.loadClass(ClassLoader.java:423)
    6. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
    7. java.lang.ClassLoader.loadClass(ClassLoader.java:356)
    8. java.lang.Class.forName0(Native Method)
    9. java.lang.Class.forName(Class.java:186)
    9 frames
  3. c3p0:JDBC DataSources/Resource Pools
    ThreadPoolAsynchronousRunner$PoolThread.run
    1. com.mchange.v2.c3p0.DriverManagerDataSource.ensureDriverLoaded(DriverManagerDataSource.java:101)
    2. com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:133)
    3. com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)
    4. com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171)
    5. com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137)
    6. com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)
    7. com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32)
    8. com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)
    9. com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)[WARN]
    9 frames