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Root Cause Analysis

  1. java.sql.SQLException

    ORA-00020: maximum number of processes (300) exceeded  

    at oracle.jdbc.driver.DatabaseError.throwSqlException()
  2. Oracle jdbc
    OracleDriver.connect
    1. oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
    2. oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:331)
    3. oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:283)
    4. oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:278)
    5. oracle.jdbc.driver.T4CTTIoauthenticate.receiveOsesskey(T4CTTIoauthenticate.java:294)
    6. oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:357)
    7. oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:439)
    8. oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:165)
    9. oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:35)
    10. oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:801)
    10 frames
  3. org.apache.tomcat
    BasicDataSource.getConnection
    1. org.apache.tomcat.dbcp.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38)
    2. org.apache.tomcat.dbcp.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:294)
    3. org.apache.tomcat.dbcp.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:974)
    4. org.apache.tomcat.dbcp.dbcp.AbandonedObjectPool.borrowObject(AbandonedObjectPool.java:84)
    5. org.apache.tomcat.dbcp.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:96)
    6. org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880)
    6 frames
  4. utils
    ConnectionBroker.makeConnection
    1. utils.ConnectionBroker.makeConnection(ConnectionBroker.java:256)
    2. utils.ConnectionBroker.makeConnection(ConnectionBroker.java:76)
    2 frames
  5. beans
    PurgeProcess_T.run
    1. beans.PurgeProcess_T.run(PurgeProcess_T.java:166)
    1 frame