Yasufumi Hayashi created DBCP-561:
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Summary: NullPointerException occurs
Key: DBCP-561
URL: https://issues.apache.org/jira/browse/DBCP-561
Project: Commons DBCP
Issue Type: Bug
Affects Versions: 1.4
Reporter: Yasufumi Hayashi
Attachments: PoolingTest2.java
The following error sometimes occurs with the attached program.
* java.lang.NullPointerExceptionjava.lang.NullPointerException
at
org.apache.commons.dbcp.cpdsadapter.PooledConnectionImpl.prepareStatement(PooledConnectionImpl.java:243)
at
org.apache.commons.dbcp.cpdsadapter.ConnectionImpl.prepareStatement(ConnectionImpl.java:95)
at PoolingThread2.selectSysdate(PoolingTest2.java:173)
at PoolingThread2.run(PoolingTest2.java:147)
* java.sql.SQLRecoverableException: クローズされた接続です。
at
oracle.jdbc.driver.PhysicalConnection.prepareStatementInternal(PhysicalConnection.java:1994)
at
oracle.jdbc.driver.PhysicalConnection.prepareStatement(PhysicalConnection.java:1960)
at
oracle.jdbc.driver.PhysicalConnection.prepareStatement(PhysicalConnection.java:1866)
at
org.apache.commons.dbcp.cpdsadapter.PooledConnectionImpl.prepareStatement(PooledConnectionImpl.java:243)
at
org.apache.commons.dbcp.cpdsadapter.ConnectionImpl.prepareStatement(ConnectionImpl.java:95)
at PoolingThread2.selectSysdate(PoolingTest2.java:173)
at PoolingThread2.run(PoolingTest2.java:147)
Does not occur with dbcp 1.2.2, but occurs with dbcp 1.4.
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