NPE when connecting to database with securityMechanism=8
--------------------------------------------------------
Key: DERBY-3025
URL: https://issues.apache.org/jira/browse/DERBY-3025
Project: Derby
Issue Type: Bug
Components: Security
Affects Versions: 10.3.1.4
Environment: Solaris x86
Reporter: Alan Burlison
If derby.drda.securityMechanism has *not* been set to
STRONG_PASSWORD_SUBSTITUTE_SECURITY and the database is opened with the
securityMechanism=8 property set, a NPE is thrown:
// Try opening the database.
Properties props = new Properties();
props.put("securityMechanism", "8");
props.put("user", dbUser);
props.put("password", dbPass);
Connection db = null;
try {
StringBuilder sb = new StringBuilder("jdbc:derby:");
sb.append(dbName);
db = DriverManager.getConnection(sb.toString(), props);
}
// Handle exception
}
java.lang.NullPointerException'. [XJ001]
Caused by: java.sql.SQLException: Java exception: ':
java.lang.NullPointerException'.
at
org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.Util.javaException(Unknown Source)
at
org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown
Source)
at
org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedConnection.handleException(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedConnection.<init>(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedConnection30.<init>(Unknown Source)
at org.apache.derby.impl.jdbc.EmbedConnection40.<init>(Unknown Source)
at org.apache.derby.jdbc.Driver40.getNewEmbedConnection(Unknown Source)
at org.apache.derby.jdbc.InternalDriver.connect(Unknown Source)
at org.apache.derby.jdbc.AutoloadedDriver.connect(Unknown Source)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:154)
at org.opensolaris.auth.db.DBManager.openDatabase(DBManager.java:152)
... 1 more
Caused by: java.sql.SQLException: Java exception: ':
java.lang.NullPointerException'.
at
org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
at
org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown
Source)
... 16 more
Caused by: java.lang.NullPointerException
at
org.apache.derby.impl.jdbc.authentication.AuthenticationServiceBase.substitutePassword(Unknown
Source)
at
org.apache.derby.impl.jdbc.authentication.BasicAuthenticationServiceImpl.authenticateUser(Unknown
Source)
at
org.apache.derby.impl.jdbc.authentication.AuthenticationServiceBase.authenticate(Unknown
Source)
at
org.apache.derby.impl.jdbc.EmbedConnection.checkUserCredentials(Unknown Source)
... 10 more
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