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ORA-00923: FROM keyword not found where expected

Jasmin Mehta

2009-10-06

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From: Jasmin Mehta/VAB/HQ/NEXNET
To: user-java@ibatis.apache.org
Date: 10/06/2009 01:57 PM
Subject: RE: Database Connection reset on Oracle 10g AS using Oracle 11g database




I have changed my spring.xml accordingly:

 <bean id="dataSource"
          class="org.apache.commons.dbcp.BasicDataSource"
           destroy-method="close">          
        <property name="driverClassName" value="${jdbc.driverClassName}"/>
        <property name="url" value="${jdbc.url}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>        
        <property name="validationQuery" value="SELECT 1"/>
        <property name="testWhileIdle" value="true"/>
        <property name="timeBetweenEvictionRunsMillis" value="300000"/>
        <property name="numTestsPerEvictionRun" value="6"/>
        <property name="minEvictableIdleTimeMillis" value="1800000"/>
    </bean>

But now I am getting runtime exception:

[06 Oct 2009 11:32:13] DEBUG [UserSqlMapDAO] Opened SqlMapSession [com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl@282f55] for iBATIS operation
[06 Oct 2009 11:32:13] DEBUG [DataSourceUtils] Fetching JDBC Connection from DataSource
[06 Oct 2009 11:32:13] ERROR [WelcomeAction] org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (ORA-00923: FROM keyword not found where expected
)
        at org.springframework.orm.ibatis.SqlMapClientTemplate.execute(SqlMapClientTemplate.java:204)
        at org.springframework.orm.ibatis.SqlMapClientTemplate.queryForObject(SqlMapClientTemplate.java:271)
        at org.nexweb.qol.gcc.ibatis.dao.sqlmaps.UserSqlMapDAO.getUserByUserNameAndRealmName(UserSqlMapDAO.java:26)
        at org.nexweb.qol.gcc.ibatis.services.UserService.getUserByUserNameAndRealmName(UserService.java:30)
        at org.nexweb.qol.gcc.actions.WelcomeAction.execute(WelcomeAction.java:76)
        at org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58)
        at org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67)
        at org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
        at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
        at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304)
        at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
        at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
        at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
        at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
        at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:713)
        at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)
        at com.evermind.server.http.ServletRequestDispatcher.unprivileged_forward(ServletRequestDispatcher.java:259)
        at com.evermind.server.http.ServletRequestDispatcher.access$100(ServletRequestDispatcher.java:51)
        at com.evermind.server.http.ServletRequestDispatcher$2.oc4jRun(ServletRequestDispatcher.java:193)
        at oracle.oc4j.security.OC4JSecurity.doPrivileged(OC4JSecurity.java:283)
        at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:198)
        at com.evermind.server.http.EvermindPageContext.forward(EvermindPageContext.java:392)
        at _jsp._forward._jspService(_forward.java:48)
        at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:59)
        at oracle.jsp.runtimev2.JspPageTable.compileAndServe(JspPageTable.java:724)
        at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:414)
        at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:594)
        at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:518)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
        at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:713)
        at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)
        at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:871)
        at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:453)
        at com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:221)
        at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:122)
        at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:111)
        at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
        at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
        at java.lang.Thread.run(Thread.java:595)
Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (ORA-00923: FROM keyword not found where expected
)
        at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1225)
        at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880)
        at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:113)
        at org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy.getConnection(TransactionAwareDataSourceProxy.java:109)
        at org.springframework.orm.ibatis.SqlMapClientTemplate.execute(SqlMapClientTemplate.java:190)
        ... 40 more
Caused by: java.sql.SQLException: ORA-00923: FROM keyword not found where expected

        at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:74)
        at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:131)
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:204)
        at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:455)
        at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:413)
        at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:1034)
        at oracle.jdbc.driver.T4CStatement.doOall8(T4CStatement.java:183)
        at oracle.jdbc.driver.T4CStatement.executeForDescribe(T4CStatement.java:780)
        at oracle.jdbc.driver.T4CStatement.executeMaybeDescribe(T4CStatement.java:855)
        at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1186)
        at oracle.jdbc.driver.OracleStatement.executeQuery(OracleStatement.java:1377)
        at oracle.jdbc.driver.OracleStatementWrapper.executeQuery(OracleStatementWrapper.java:387)
        at org.apache.commons.dbcp.DelegatingStatement.executeQuery(DelegatingStatement.java:208)
        at org.apache.commons.dbcp.PoolableConnectionFactory.validateConnection(PoolableConnectionFactory.java:332)
        at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1249)
        at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1221)
        ... 44 more






From: "meindert" <meindert@eduflex.com>
To: <user-java@ibatis.apache.org>
Date: 10/06/2009 10:23 AM
Subject: RE: Database Connection reset on Oracle 10g AS using Oracle 11g database






I’m using;

<bean id="propertyConfigurer"

            class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">

            <property name="location" value="WEB-INF/config.properties" />

      </bean>

      <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">

            <property name="driverClassName" value="${database_driver}" />

            <property name="url" value="${database_url}" />

            <property name="username" value="${database_user}" />

            <property name="password" value="${database_password}" />

            <property name="defaultAutoCommit" value="true"/>

            <property name="defaultTransactionIsolation" value="2"/>

            <property name="maxActive" value="10"/>

            <property name="removeAbandoned" value="true"/>

            <property name="removeAbandonedTimeout" value="30"/>

            <property name="logAbandoned" value="false"/>

            <property name="validationQuery" value="select 1"/>

      </bean>

Hope it helps

 

From: Jasmin Mehta [mailto:Jasmin_Mehta@nexweb.org]
Sent: 06 October 2009 04:05 PM
To: user-java@ibatis.apache.org
Cc: lmeadors@apache.org
Subject: Database Connection reset on Oracle 10g AS using Oracle 11g database

 

Larry,

I saw an answer for one of the thread

http://www.mail-archive.com/user-java@ibatis.apache.org/msg03522.html

I have something similar, How do I modify spring.xml file to use BasicDataSource feature to ping the query?

 
I have J2EE application running on OC4J application server. Where the database connection is dropping / resetting after some idle time. The idle time varies from 20 mins to 90 mins. The persistence layer is created using Spring and iBatis with Struts as controller.

I am not able to find that why the code / oracle database is trying to close the connection before it makes new one.

Here is the exception log:
[05 Oct 2009 11:55:38] DEBUG [SQLErrorCodesFactory] Looking up default SQLErrorCodes for DataSource [org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy@13478c8]
[05 Oct 2009 11:55:38] DEBUG [DataSourceUtils] Fetching JDBC Connection from DataSource
[05 Oct 2009 11:55:38] DEBUG [DataSourceUtils] Fetching JDBC Connection from DataSource
[05 Oct 2009 11:55:38] DEBUG [DataSourceUtils] Returning JDBC Connection to DataSource
[05 Oct 2009 11:55:38] DEBUG [DataSourceUtils] Returning JDBC Connection to DataSource
[05 Oct 2009 11:55:38] DEBUG [SQLErrorCodesFactory] Database product name cached for DataSource [org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy@13478c8]: name is 'Oracle'
[05 Oct 2009 11:55:38] DEBUG [SQLErrorCodesFactory] SQL error codes for 'Oracle' found
[05 Oct 2009 11:55:38] DEBUG [SQLErrorCodeSQLExceptionTranslator] Translating SQLException with SQL state '08006', error code '17002', message [  
--- The error occurred in org/nexweb/qol/gcc/ibatis/dao/xml/User.xml.  
--- The error occurred while applying a parameter map.  
--- Check the getUserByUserNameAndRealmName-InlineParameterMap.  
--- Check the statement (query failed).  
--- Cause: java.sql.SQLException: Io exception: Connection reset by peer: socket write error]; SQL was [] for task [SqlMapClient operation]
[05 Oct 2009 11:55:38] DEBUG [DataSourceUtils] Returning JDBC Connection to DataSource
[05 Oct 2009 11:55:38] DEBUG [UserSqlMapDAO] Could not close JDBC Connection
java.sql.SQLException: Already closed.
      at org.apache.commons.dbcp.PoolableConnection.close(PoolableConnection.java:84)
      at org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.close(PoolingDataSource.java:181)
      at org.springframework.jdbc.datasource.DataSourceUtils.doReleaseConnection(DataSourceUtils.java:313)
      at org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy$TransactionAwareInvocationHandler.invoke(TransactionAwareDataSourceProxy.java:166)
      at $Proxy0.close(Unknown Source)
      at org.springframework.orm.ibatis.SqlMapClientTemplate.execute(SqlMapClientTemplate.java:218)
      at org.springframework.orm.ibatis.SqlMapClientTemplate.queryForObject(SqlMapClientTemplate.java:271)
      at org.nexweb.qol.gcc.ibatis.dao.sqlmaps.UserSqlMapDAO.getUserByUserNameAndRealmName(UserSqlMapDAO.java:26)
      at org.nexweb.qol.gcc.ibatis.services.UserService.getUserByUserNameAndRealmName(UserService.java:30)
      at org.nexweb.qol.gcc.actions.WelcomeAction.execute(WelcomeAction.java:71)
      at org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58)
      at org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67)
      at org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
      at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
      at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304)
      at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
      at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
      at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
      at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
      at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:713)
      at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)
      at com.evermind.server.http.ServletRequestDispatcher.unprivileged_forward(ServletRequestDispatcher.java:259)
      at com.evermind.server.http.ServletRequestDispatcher.access$100(ServletRequestDispatcher.java:51)
      at com.evermind.server.http.ServletRequestDispatcher$2.oc4jRun(ServletRequestDispatcher.java:193)
      at oracle.oc4j.security.OC4JSecurity.doPrivileged(OC4JSecurity.java:283)
      at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:198)
      at com.evermind.server.http.EvermindPageContext.forward(EvermindPageContext.java:392)
      at _jsp._forward._jspService(_forward.java:48)
      at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:59)
      at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:462)
      at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:594)
      at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:518)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
      at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:713)
      at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)
      at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:871)
      at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:453)
      at com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:221)
      at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:122)
      at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:111)
      at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
      at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
      at java.lang.Thread.run(Thread.java:595)

Here is the Spring.xml code related to datasource :

 

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN"
                                   "http://www.springframework.org/dtd/spring-beans-2.0.dtd">
<beans>
   <bean id="propertyConfigurer"
         class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
       <property name="location" value="classpath:jdbc.properties"/>
   </bean>

   <bean id="dataSource"
         class=" org.apache.commons.dbcp.BasicDataSource">          
       <property name="driverClassName" value="${jdbc.driverClassName}"/>
       <property name="url" value="${jdbc.url}"/>
       <property name="username" value="${jdbc.username}"/>
       <property name="password" value="${jdbc.password}"/>
   </bean>
 
   <bean id="sqlMapClient"
         class="org.springframework.orm.ibatis.SqlMapClientFactoryBean">
       <property name="configLocation">
           <value>classpath:org/nexweb/qol/gcc/ibatis/config/SqlMapConfig.xml</value>
       </property>

       <property name="transactionConfigProperties">
         <props>
               <prop key="autoCommitAllowed">true</prop>
         </props>        
       </property>

      <property name="useTransactionAwareDataSource">
           <value>true</value>
      </property>
       <property name="transactionConfigClass">
           <value>com.ibatis.sqlmap.engine.transaction.jdbc.JdbcTransactionConfig</value>
       </property>
       <property name="dataSource" ref="dataSource"/>
   </bean>


 

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