Question

I am using below statement for database in tomcat context.xml. Some time it works fine mainly when I restart my machine…but many time it give me Connection pool error

<Resource name="jdbc/nits" auth="Container" type="javax.sql.DataSource"
               maxActive="100" maxIdle="30" maxWait="10000"
               username="@xxxxx" password="xxxxx" driverClassName="com.ibm.db2.jcc.DB2Driver"
               url="jdbc:db2:DB0" defaultAutoCommit="false"/>

Caused by: com.ibm.db2.jcc.c.SqlException: Unexpected throwable caught
java.lang.StringIndexOutOfBoundsException: String index out of range:
11 at com.ibm.db2.jcc.uw.UWConnection.a(UWConnection.java:484) at
com.ibm.db2.jcc.uw.UWConnection.(UWConnection.java:248) at
com.ibm.db2.jcc.DB2Driver.connect(DB2Driver.java:236) at
org.apache.tomcat.dbcp.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38)
at
org.apache.tomcat.dbcp.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:294)
at
org.apache.tomcat.dbcp.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1247)
at
org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1221)
… 80 more

I tried the complete URL as well in statement after that it say Security Mechanism not supported. I am using DB2Jcc.jar. Please help me resolving this issue 🙁

Answer 1

I solved this issue. There was some conflict with old db2Jcc driver. This is a known issue in old drivers. I removed old one and now working fine form me with new one.