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Getting JDBC Connection exception... what is the problem?
Kalle Blomqvist
Greenhorn
Posts: 1
posted 11 years ago
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I have connection problem and I get the following... Do you have any idea what it might be? Many thanks.
[java] org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure [java] The last packet successfully received from the server was 81 milliseconds ago. The last packet sent successfully to the server was 81 milliseconds ago. [java] at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:82) [java] at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:577) [java] at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:641) [java] at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:666) [java] at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:698) [java] at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.query(NamedParameterJdbcTemplate.java:133) [java] at org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.query(NamedParameterJdbcTemplate.java:137) [java] at se.kth.ite.mss.KurserUtil.getSenasteValdaKurser(KurserUtil.java:71) [java] at org.apache.jsp.minasidor.kurser.nyaKurser_jsp._jspService(nyaKurser_jsp.java:91) [java] at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) [java] at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) [java] at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377) [java] at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313) [java] at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260) [java] at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) [java] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) [java] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [java] at se.kth.ite.portal.ContextLoggingFilter.doFilter(ContextLoggingFilter.java:53) [java] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) [java] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [java] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) [java] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) [java] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) [java] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [java] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [java] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) [java] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857) [java] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) [java] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) [java] at java.lang.Thread.run(Thread.java:680) [java] Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure [java] The last packet successfully received from the server was 81 milliseconds ago. The last packet sent successfully to the server was 81 milliseconds ago. [java] at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) [java] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) [java] at java.lang.reflect.Constructor.newInstance(Constructor.java:513) [java] at com.mysql.jdbc.Util.handleNewInstance(Util.java:409) [java] at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1118) [java] at com.mysql.jdbc.ExportControlled.transformSocketToSSLSocket(ExportControlled.java:107) [java] at com.mysql.jdbc.MysqlIO.negotiateSSLConnection(MysqlIO.java:4553) [java] at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1330) [java] at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2312) [java] at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2122) [java] at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:774) [java] at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:49) [java] at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) [java] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) [java] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) [java] at java.lang.reflect.Constructor.newInstance(Constructor.java:513) [java] at com.mysql.jdbc.Util.handleNewInstance(Util.java:409) [java] at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:375) [java] at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:289) [java] at java.sql.DriverManager.getConnection(DriverManager.java:582) [java] at java.sql.DriverManager.getConnection(DriverManager.java:185) [java] at org.apache.commons.dbcp.cpdsadapter.DriverAdapterCPDS.getPooledConnection(DriverAdapterCPDS.java:205) [java] at org.apache.commons.dbcp.cpdsadapter.DriverAdapterCPDS.getPooledConnection(DriverAdapterCPDS.java:150) [java] at org.apache.commons.dbcp.datasources.InstanceKeyDataSource.testCPDS(InstanceKeyDataSource.java:836) [java] at org.apache.commons.dbcp.datasources.SharedPoolDataSource.registerPool(SharedPoolDataSource.java:210) [java] at org.apache.commons.dbcp.datasources.SharedPoolDataSource.getPooledConnectionAndInfo(SharedPoolDataSource.java:169) [java] at org.apache.commons.dbcp.datasources.InstanceKeyDataSource.getConnection(InstanceKeyDataSource.java:701) [java] at org.apache.commons.dbcp.datasources.InstanceKeyDataSource.getConnection(InstanceKeyDataSource.java:676) [java] at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:113) [java] at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:79) [java] ... 29 more [java] Caused by: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target [java] at com.sun.net.ssl.internal.ssl.Alerts.getSSLException(Alerts.java:174) [java] at com.sun.net.ssl.internal.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1764) [java] at com.sun.net.ssl.internal.ssl.Handshaker.fatalSE(Handshaker.java:241) [java] at com.sun.net.ssl.internal.ssl.Handshaker.fatalSE(Handshaker.java:235) [java] at com.sun.net.ssl.internal.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1206) [java] at com.sun.net.ssl.internal.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:136) [java] at com.sun.net.ssl.internal.ssl.Handshaker.processLoop(Handshaker.java:593) [java] at com.sun.net.ssl.internal.ssl.Handshaker.process_record(Handshaker.java:529) [java] at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:958) [java] at com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1203) [java] at com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1230) [java] at com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1214) [java] at com.mysql.jdbc.ExportControlled.transformSocketToSSLSocket(ExportControlled.java:92) [java] ... 53 more [java] Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target [java] at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:323) [java] at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:217) [java] at sun.security.validator.Validator.validate(Validator.java:218) [java] at com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:126) [java] at com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:209) [java] at com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:249) [java] at com.sun.net.ssl.internal.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1185) [java] ... 61 more [java] Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target [java] at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:174) [java] at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:238) [java] at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:318) [java] ... 67 more
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