Matt Pavlovich created OPENJPA-2690:
---------------------------------------
Summary: NPE in OracleDictionary when empty_lob_Method is not able
to be specified
Key: OPENJPA-2690
URL: https://issues.apache.org/jira/browse/OPENJPA-2690
Project: OpenJPA
Issue Type: Bug
Affects Versions: 2.4.2
Reporter: Matt Pavlovich
When openjpa is running in an OSGi environment and some packages may result in
the oracleClob_empty_lob_Method being set to null, a NPE will occur when trying
to persist an entity with a NULL CLOB column.
getEmptyClob() (and probably getEmtpyBlob as well) should detect for
oracleClob_empty_lob_Method being set to NULL before attempting to invoke the
method, or just return the EMPTY_CLOB constant.
{noformat}
private Clob getEmptyClob()
throws SQLException {
if (EMPTY_CLOB != null)
return EMPTY_CLOB;
try {
return EMPTY_CLOB = (Clob) oracleClob_empty_lob_Method.invoke(null,
new Object[0]);
} catch (Exception e) {
throw new SQLException(e.getMessage());
}
}
{noformat}
Reference:
During constructor of OracleDictionry.. this may return null:
{noformat}
private Method getMethodByReflection(String className, String methodName,
Class<?>... paramTypes) {
try {
return Class.forName(className,true,
AccessController.doPrivileged(J2DoPrivHelper
.getContextClassLoaderAction())).
getMethod(methodName, paramTypes);
}
catch (Exception e) {
// all fine
}
return null;
}
{noformat}
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