java.lang.NullPointerException

postgresql.org | 4 months ago
  1. 0

    Erro PostgreSQL: PoolingException - Cannot open connection

    com.br | 1 year ago
    javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Cannot open connection
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  3. 0

    Creating JDBCRealm with postgres driver

    Stack Overflow | 3 years ago | user3203163
    org.apache.catalina.LifecycleException: Failed to start component [Realm[JDBCRealm]]
  4. 0

    c3p0:JDBC DataSources/Resource Pools / Mailing Lists

    sourceforge.net | 8 months ago
    java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.postgresql.Connection.openConnection()
    2. PostgreSQL JDBC Driver
      Driver.connect
      1. org.postgresql.Connection.openConnection(Connection.java:148)
      2. org.postgresql.Driver.connect(Driver.java:122)
      2 frames
    3. Java RT
      DriverManager.getConnection
      1. java.sql.DriverManager.getConnection(DriverManager.java:517)
      2. java.sql.DriverManager.getConnection(DriverManager.java:177)
      2 frames
    4. Unknown
      TestPostGreSQL.main
      1. TestPostGreSQL.main(TestPostGreSQL.java:17)
      1 frame