任何人都可以幫助我嗎?我已經通過閱讀http://dev.mysql.com/doc/refman/5.0/en/connector-j-reference-replication-connection.html,創造一個JBoss數據源與在JBoss應用程序中使用MySQL ReplicationDriver的ClassCastException?
<connection-url>jdbc:mysql:replication://sys1:3306,sys2:3306,sys3:3306/mydb</connection-url>
<driver-class>com.mysql.jdbc.ReplicationDriver</driver-class>
在我的JBoss的代碼,當我執行以下命令(在從屬節點)
Context initCtx = new InitialContext();
DataSource ds = (DataSource) initCtx.lookup(...);
conn = ds.getConnection();
conn.setReadOnly(false);
conn.prepareStatement(...);
的prepareStatement調用產生以下堆棧跟蹤:
2010-09-16 18:45:31,129 WARN [org.jboss.resource.connectionmanager.TxConnectionManager] (ajp-127.0.0.1-8009-2) Connection error occured: org.jboss.resource.[email protected]1b576f8[state=NORMAL [email protected]11a3ce4 handles=1 lastUse=1284659131129 permit=true trackByTx=false mcp=org.jbos[email protected]193a581 context=org[email protected]56e1fe xaResource=org.jboss[email protected]f058a txSync=null]
java.lang.ClassCastException: $Proxy297
at com.mysql.jdbc.ReplicationConnection.prepareStatement(ReplicationConnection.java:357)
at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:465)
at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:460)
at org.jboss.resource.adapter.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:243)
at com.mycode.service.Kernel.doGet(Kernel.java:76)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:436)
at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:384)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Unknown Source)
我環顧四周尋找答案,但找不到有類似問題的人。我錯過了明顯嗎?
感謝