Screen capture in debug mode: <https://lh3.googleusercontent.com/-cnh1MAR4rT8/V17WH2mURzI/AAAAAAAAAS8/JSqEVRqxiNAQVHrEZv9dS7jXsMuaORqGACLcB/s1600/2AFD1082-8862-4FC9-99D9-89491922A0DC.png>
在 2016年6月13日星期一 UTC+8下午11:45:49，Wen Bob写道： > > In my project, i configure Embedded h2 as Spring-session backend store, > and i find the H2 connection occasionally throws NPE when spring-session > try to update session timestamp: > > > 13-Jun-2016 23:35:55.696 SEVERE [http-apr-8080-exec-7] > org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for > servlet [webmvc-dispatcher] in context with path [] threw exception > [Request processing failed; nested exception is > org.springframework.jdbc.UncategorizedSQLException: > PreparedStatementCallback; uncategorized SQLException for SQL []; SQL state > [HY000]; error code [50000]; General error: > "java.lang.NullPointerException"; SQL statement: > SELECT S.SESSION_ID, S.CREATION_TIME, S.LAST_ACCESS_TIME, > S.MAX_INACTIVE_INTERVAL, SA.ATTRIBUTE_NAME, SA.ATTRIBUTE_BYTES FROM > TM_SPRING_SESSION S LEFT OUTER JOIN TM_SPRING_SESSION_ATTRIBUTES SA ON > S.SESSION_ID = SA.SESSION_ID WHERE S.SESSION_ID = ? [50000-192]; nested > exception is org.h2.jdbc.JdbcSQLException: General error: > "java.lang.NullPointerException"; SQL statement: > SELECT S.SESSION_ID, S.CREATION_TIME, S.LAST_ACCESS_TIME, > S.MAX_INACTIVE_INTERVAL, SA.ATTRIBUTE_NAME, SA.ATTRIBUTE_BYTES FROM > TM_SPRING_SESSION S LEFT OUTER JOIN TM_SPRING_SESSION_ATTRIBUTES SA ON > S.SESSION_ID = SA.SESSION_ID WHERE S.SESSION_ID = ? [50000-192]] with root > cause > java.lang.NullPointerException > at org.h2.mvstore.db.MVPrimaryIndex.getRow(MVPrimaryIndex.java:213) > at org.h2.mvstore.db.MVTable.getRow(MVTable.java:463) > at > org.h2.mvstore.db.MVSecondaryIndex$MVStoreCursor.get(MVSecondaryIndex.java:489) > at org.h2.index.IndexCursor.get(IndexCursor.java:288) > at org.h2.table.TableFilter.getValue(TableFilter.java:1068) > at org.h2.expression.ExpressionColumn.getValue(ExpressionColumn.java:186) > at org.h2.command.dml.Select.queryFlat(Select.java:548) > at org.h2.command.dml.Select.queryWithoutCache(Select.java:654) > at org.h2.command.dml.Query.query(Query.java:341) > at org.h2.command.dml.Query.query(Query.java:309) > at org.h2.command.dml.Query.query(Query.java:36) > at org.h2.command.CommandContainer.query(CommandContainer.java:110) > at org.h2.command.Command.executeQuery(Command.java:201) > at > org.h2.jdbc.JdbcPreparedStatement.executeQuery(JdbcPreparedStatement.java:110) > at > com.zaxxer.hikari.pool.ProxyPreparedStatement.executeQuery(ProxyPreparedStatement.java:52) > at > com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeQuery(HikariProxyPreparedStatement.java) > at > org.springframework.jdbc.core.JdbcTemplate$1.doInPreparedStatement(JdbcTemplate.java:688) > at > org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:629) > at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:680) > at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:707) > at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:757) > at > org.springframework.session.jdbc.JdbcOperationsSessionRepository$3.doInTransaction(JdbcOperationsSessionRepository.java:383) > at > org.springframework.session.jdbc.JdbcOperationsSessionRepository$3.doInTransaction(JdbcOperationsSessionRepository.java:380) > at > org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:133) > at > org.springframework.session.jdbc.JdbcOperationsSessionRepository.getSession(JdbcOperationsSessionRepository.java:380) > at > org.springframework.session.jdbc.JdbcOperationsSessionRepository.getSession(JdbcOperationsSessionRepository.java:130) > at > org.springframework.session.web.http.SessionRepositoryFilter$SessionRepositoryRequestWrapper.getSession(SessionRepositoryFilter.java:326) > at > org.springframework.session.web.http.SessionRepositoryFilter$SessionRepositoryRequestWrapper.getSession(SessionRepositoryFilter.java:343) > at > org.springframework.session.web.http.SessionRepositoryFilter$SessionRepositoryRequestWrapper.getSession(SessionRepositoryFilter.java:214) > at > org.springframework.web.servlet.support.SessionFlashMapManager.retrieveFlashMaps(SessionFlashMapManager.java:45) > at > org.springframework.web.servlet.support.AbstractFlashMapManager.retrieveAndUpdate(AbstractFlashMapManager.java:93) > at > org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:885) > at > org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:969) > at > org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:860) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:622) > at > org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:845) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) > at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) > at > org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:121) > at > org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) > at > com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:65) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) > at > org.springframework.session.web.http.SessionRepositoryFilter.doFilterInternal(SessionRepositoryFilter.java:164) > at > org.springframework.session.web.http.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:80) > at > org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346) > at > org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) > at > org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) > at > org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528) > at > org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1099) > at > org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:672) > at > org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2508) > at > org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2497) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at > org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) > at java.lang.Thread.run(Thread.java:745) > > > H2 version: 1.4.192 > H2 connection url: > > jdbc:h2:split:~/.mc-server/data/mc-server;MVCC=TRUE;MV_STORE=TRUE;MULTI_THREADED=TRUE;JMX=TRUE;TRACE_LEVEL_FILE=1;TRACE_LEVEL_SYSTEM_OUT=1;AUTO_SERVER=TRUE;IFEXISTS=TRUE > > Spring session schema: > > CREATE TABLE TM_SPRING_SESSION ( > SESSION_ID CHAR(36), > CREATION_TIME BIGINT NOT NULL, > LAST_ACCESS_TIME BIGINT NOT NULL, > MAX_INACTIVE_INTERVAL INT NOT NULL, > PRINCIPAL_NAME VARCHAR(100), > CONSTRAINT TM_SPRING_SESSION_PK PRIMARY KEY (SESSION_ID) > ); > > CREATE INDEX TM_SPRING_SESSION_IX1 ON TM_SPRING_SESSION (LAST_ACCESS_TIME); > > CREATE TABLE TM_SPRING_SESSION_ATTRIBUTES ( > SESSION_ID CHAR(36), > ATTRIBUTE_NAME VARCHAR(200), > ATTRIBUTE_BYTES LONGVARBINARY, > CONSTRAINT TM_SPRING_SESSION_ATTRIBUTES_PK PRIMARY KEY (SESSION_ID, > ATTRIBUTE_NAME), > CONSTRAINT TM_SPRING_SESSION_ATTRIBUTES_FK FOREIGN KEY (SESSION_ID) > REFERENCES TM_SPRING_SESSION (SESSION_ID) ON DELETE CASCADE > ); > > CREATE INDEX TM_SPRING_SESSION_ATTRIBUTES_IX1 ON TM_SPRING_SESSION_ATTRIBUTES > (SESSION_ID); > > > Any help? > -- You received this message because you are subscribed to the Google Groups "H2 Database" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/h2-database. For more options, visit https://groups.google.com/d/optout.
