On 4 January 2011 18:37, <[email protected]> wrote:
> Author: fhanik
> Date: Tue Jan 4 18:37:44 2011
> New Revision: 1055137
>
> URL: http://svn.apache.org/viewvc?rev=1055137&view=rev
> Log:
> No need to instantiate a new driver instance each time, simply reuse the one
> we got
>
> Modified:
>
> tomcat/trunk/modules/jdbc-pool/java/org/apache/tomcat/jdbc/pool/PooledConnection.java
>
> tomcat/trunk/modules/jdbc-pool/test/org/apache/tomcat/jdbc/test/AlternateUsernameTest.java
>
> Modified:
> tomcat/trunk/modules/jdbc-pool/java/org/apache/tomcat/jdbc/pool/PooledConnection.java
> URL:
> http://svn.apache.org/viewvc/tomcat/trunk/modules/jdbc-pool/java/org/apache/tomcat/jdbc/pool/PooledConnection.java?rev=1055137&r1=1055136&r2=1055137&view=diff
> ==============================================================================
> ---
> tomcat/trunk/modules/jdbc-pool/java/org/apache/tomcat/jdbc/pool/PooledConnection.java
> (original)
> +++
> tomcat/trunk/modules/jdbc-pool/java/org/apache/tomcat/jdbc/pool/PooledConnection.java
> Tue Jan 4 18:37:44 2011
> @@ -74,7 +74,7 @@ public class PooledConnection {
> /**
> * If using a XAConnection underneath.
> */
> - private volatile javax.sql.XAConnection xaConnection;
> + protected volatile javax.sql.XAConnection xaConnection;
> /**
> * When we track abandon traces, this string holds the thread dump
> */
> @@ -117,6 +117,8 @@ public class PooledConnection {
>
> private volatile boolean suspect = false;
>
> + private java.sql.Driver driver = null;
> +
> /**
> * Constructor
> * @param prop - pool properties
> @@ -229,10 +231,12 @@ public class PooledConnection {
> }
> }
> protected void connectUsingDriver() throws SQLException {
> - java.sql.Driver driver = null;
> +
> try {
> - driver = (java.sql.Driver)
> Class.forName(poolProperties.getDriverClassName(),
> - true,
> PooledConnection.class.getClassLoader()).newInstance();
> + if (driver==null)
> + driver = (java.sql.Driver)
> Class.forName(poolProperties.getDriverClassName(),
> + true,
> PooledConnection.class.getClassLoader()
> + ).newInstance();
This is not thread-safe.
> } catch (java.lang.Exception cn) {
> if (log.isDebugEnabled()) {
> log.debug("Unable to instantiate JDBC driver.", cn);
>
> Modified:
> tomcat/trunk/modules/jdbc-pool/test/org/apache/tomcat/jdbc/test/AlternateUsernameTest.java
> URL:
> http://svn.apache.org/viewvc/tomcat/trunk/modules/jdbc-pool/test/org/apache/tomcat/jdbc/test/AlternateUsernameTest.java?rev=1055137&r1=1055136&r2=1055137&view=diff
> ==============================================================================
> ---
> tomcat/trunk/modules/jdbc-pool/test/org/apache/tomcat/jdbc/test/AlternateUsernameTest.java
> (original)
> +++
> tomcat/trunk/modules/jdbc-pool/test/org/apache/tomcat/jdbc/test/AlternateUsernameTest.java
> Tue Jan 4 18:37:44 2011
> @@ -34,7 +34,7 @@ import org.apache.tomcat.jdbc.test.drive
>
> public class AlternateUsernameTest extends DefaultTestCase {
>
> - private static final int iterations = (new
> Random(System.currentTimeMillis())).nextInt(1000000)+100000;
> + private static final int iterations = 500000; //(new
> Random(System.currentTimeMillis())).nextInt(1000000)+100000;
> public AlternateUsernameTest(String name) {
> super(name);
> }
> @@ -44,13 +44,15 @@ public class AlternateUsernameTest exten
>
> private void testUsername(boolean allowUsernameChange) throws Exception {
> long start = System.currentTimeMillis();
> + int withoutuser =10;
> + int withuser = withoutuser;
> this.init();
> + this.datasource.setMaxActive(withuser+withoutuser);
> this.datasource.setDriverClassName(Driver.class.getName());
> this.datasource.setUrl("jdbc:tomcat:test");
> this.datasource.setAlternateUsernameAllowed(allowUsernameChange);
> this.datasource.getConnection().close();
> - int withoutuser =10;
> - int withuser = withoutuser;
> +
> TestRunner[] runners = new TestRunner[withuser+withoutuser];
> for (int i=0; i<withuser; i++) {
> TestRunner with = new
> TestRunner("foo","bar",datasource.getPoolProperties().getUsername(),datasource.getPoolProperties().getPassword());
>
>
>
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