[英]OrientDB JDBC connector pool on Tomcat 7
I added "orientdb-jdbc-2.2.20.jar" in lib folder. 我在lib文件夹中添加了“ orientdb-jdbc-2.2.20.jar”。
I added the following in conf/server.xml 我在conf / server.xml中添加了以下内容
<Resource name="jdbc/orientdb" auth="Container" type="javax.sql.DataSource"
driverclassname="com.orientechnologies.orient.jdbc.OrientJdbcDriver"
url="jdbc:orient:remote:localhost/GratefulDeadConcerts"
username="admin" password="admin"
factory="org.apache.tomcat.jdbc.pool.DataSourceFactory"
maxactive="20" maxidle="10" maxwait="-1"/>
In conf/web.xml I added 在conf / web.xml中,我添加了
<resource-ref>
<description>Archive Database</description>
<res-ref-name>jdbc/orientdb</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
In webapps/[all the web applications]/META_INF/context.xml I added 在webapps / [所有Web应用程序] /META_INF/context.xml中,我添加了
<ResourceLink global="jdbc/orientdb" name="jdbc/orientdb" type="javax.sql.DataSource"/>
I set the JNDI Name for the new data source as: 我将新数据源的JNDI名称设置为:
java:comp/env/jdbc/orientdb
but I get this error: 但是我得到这个错误:
'org.apache.naming.NamingContext lookup
AVVERTENZA: Unexpected exception resolving reference
java.sql.SQLException
at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:254)
at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:182)
at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:730)
at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:664)
at org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:482)
at org.apache.tomcat.jdbc.pool.ConnectionPool.<init>(ConnectionPool.java:156)
at org.apache.tomcat.jdbc.pool.DataSourceProxy.pCreatePool(DataSourceProxy.java:116)
at org.apache.tomcat.jdbc.pool.DataSourceProxy.createPool(DataSourceProxy.java:103)
at org.apache.tomcat.jdbc.pool.DataSourceFactory.createDataSource(DataSourceFactory.java:560)
at org.apache.tomcat.jdbc.pool.DataSourceFactory.getObjectInstance(DataSourceFactory.java:245)
at org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:141)
at javax.naming.spi.NamingManager.getObjectInstance(Unknown Source)
at org.apache.naming.NamingContext.lookup(NamingContext.java:848)
at org.apache.naming.NamingContext.lookup(NamingContext.java:159)
at org.apache.naming.NamingContext.lookup(NamingContext.java:836)
at org.apache.naming.NamingContext.lookup(NamingContext.java:173)
at org.apache.naming.factory.ResourceLinkFactory.getObjectInstance(ResourceLinkFactory.java:152)
at javax.naming.spi.NamingManager.getObjectInstance(Unknown Source)
at org.apache.naming.NamingContext.lookup(NamingContext.java:848)
at org.apache.naming.NamingContext.lookup(NamingContext.java:159)
at org.apache.naming.NamingContext.lookup(NamingContext.java:836)
at org.apache.naming.NamingContext.lookup(NamingContext.java:159)
at org.apache.naming.NamingContext.lookup(NamingContext.java:836)
at org.apache.naming.NamingContext.lookup(NamingContext.java:159)
at org.apache.naming.NamingContext.lookup(NamingContext.java:836)
at org.apache.naming.NamingContext.lookup(NamingContext.java:173)
at org.apache.naming.SelectorContext.lookup(SelectorContext.java:156)
at javax.naming.InitialContext.lookup(Unknown Source)
at it.eng.spagobi.api.v2.DataSourceResource.testDataSource(DataSourceResource.java:386)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:167)
at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:257)
at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:222)
at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:211)
at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:542)
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:524)
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:126)
at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)
at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)
at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1115)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:246)
... 63 more'
How can I solve? 我该如何解决?
Check the attributes of your resource definition. 检查资源定义的属性。
You used driverclassname
but the correct attribute name is driverClassName
(see https://tomcat.apache.org/tomcat-7.0-doc/jndi-datasource-examples-howto.html ). 您使用了driverclassname
但正确的属性名称是driverClassName
(请参阅https://tomcat.apache.org/tomcat-7.0-doc/jndi-datasource-examples-howto.html )。
Same for maxidle
, maxactive
etc. 与maxidle
, maxactive
等相同。
If you add the jar to the classpath manually instead of using a dependencies management system such as maven or gradle, please download orientdb-jdbc-2.2.20-all.jar : 如果您将jar手动添加到类路径中,而不是使用诸如maven或gradle之类的依赖项管理系统,请下载orientdb-jdbc-2.2.20-all.jar:
http://central.maven.org/maven2/com/orientechnologies/orientdb-jdbc/2.2.20/ http://central.maven.org/maven2/com/orientechnologies/orientdb-jdbc/2.2.20/
This is a fat jar that includes all the part of orientDB needed by the JDBC driver itself. 这是一个胖子,它包含JDBC驱动程序本身所需的orientDB的所有部分。
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