Thanks for these very clarifying answers. I have googled and actually there are lot of people with this.
And one of the suggestions to cope, it was exactly the 127.0.0.1 thing. Yes I had two versions of JDBC driver for MySQL, one inside de java_home and another on lib of DHIS2. I removed this one. And now I am waiting for the famous error. Caveman On Wed, Jun 23, 2010 at 7:29 PM, Bob Jolliffe <[email protected]> wrote: > On 23 June 2010 18:00, Orvalho Augusto <[email protected]> wrote: > > Sorry for my laziness on this. > > > > My hibernate.properties > > > > hibernate.dialect = org.hibernate.dialect.MySQLDialect > > hibernate.connection.driver_class = com.mysql.jdbc.Driver > > ##hibernate.connection.url = > > jdbc:mysql://localhost/dhis2_pub?useUnicode=true&characterEncoding=UTF-8 > > hibernate.connection.url = > > jdbc:mysql://localhost/dhis204?useUnicode=true&characterEncoding=UTF-8 > > hibernate.connection.username = dhis > > hibernate.connection.password = dhis > > hibernate.hbm2ddl.auto = update > > > > By this you are right. I am using unix socket when setting with localhost > on > > URL. I must write 127.0.0.1. > > > > I have changed and I am waiting to see it again. > > The unix domain socket is a bit of a distraction as java does not > support unix domain sockets so the hibernate connection will always be > tcp anyway. So waiting will not help :-) > > > > > This happened not only with importing and etc... it happened on the login > > too. > > I have seen reports of certain mixtures of jdbc drivers and versions > causing problems. You might want to check that against other > experiences on google. > > Regards > Bob > > > > > Thank you > > Caveman > > > > > > On Wed, Jun 23, 2010 at 9:01 AM, Bob Jolliffe <[email protected]> > wrote: > >> > >> I can see from the status message that unix domain sockets are being > >> used by the mysql client. Your hibernate connection will use tcp/ip. > >> > >> The problem seems definitely to be with the transport layer - > >> "Expected to read 4 bytes, read 0 bytes before connection was > >> unexpectedly lost". So the socket channel definitely goes bad on you > >> :-( > >> > >> Orvalho is this problem completely random or can you think is there > >> any pattern to it? For example I have seen a problem with mysql if > >> you are doing a very large import and the size of the mysql packet > >> (with all the multiple inserts) exceeds a hard limit - there is a > >> setting to increase this. But from what you are saying (from time to > >> time) I don't think this is the case here. > >> > >> Is the mysql server on the same machine as the dhis web server? > >> > >> What is the server os and version? > >> > >> Regards > >> Bob > >> > >> On 23 June 2010 07:09, Jason Pickering <[email protected]> > >> wrote: > >> > Can you send your hibernate.properties file (otherwise privately)? > >> > > >> > Is you MySQL TCP/IP sockets available on 127.0.0.1 (not Unix pipes)? > >> > > >> > Regards, > >> > Jason > >> > > >> > > >> > On Wed, Jun 23, 2010 at 5:32 AM, Orvalho Augusto <[email protected]> > >> > wrote: > >> >> >From time to time my DHIS stalls and report me this: > >> >> ========================================================= > >> >> Jun 23, 2010 5:15:53 AM org.apache.catalina.core.StandardWrapperValve > >> >> invoke > >> >> SEVERE: Servlet.service() for servlet default threw exception > >> >> org.springframework.transaction.CannotCreateTransactionException: > Could > >> >> not > >> >> open Hibernate Session for transaction; nested exception is > >> >> org.hibernate.TransactionException: JDBC beg > >> >> in failed: > >> >> at > >> >> > >> >> > org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:599) > >> >> at > >> >> > >> >> > org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:374) > >> >> at > >> >> > >> >> > org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:263) > >> >> at > >> >> > >> >> > org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:101) > >> >> at > >> >> > >> >> > org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) > >> >> at > >> >> > >> >> > org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) > >> >> at $Proxy72.loadUserByUsername(Unknown Source) > >> >> at > >> >> > >> >> > org.springframework.security.providers.dao.DaoAuthenticationProvider.retrieveUser(DaoAuthenticationProvider.java:83) > >> >> at > >> >> > >> >> > org.springframework.security.providers.dao.AbstractUserDetailsAuthenticationProvider.authenticate(AbstractUserDetailsAuthenticationProvider.java:121) > >> >> at > >> >> > >> >> > org.springframework.security.providers.ProviderManager.doAuthentication(ProviderManager.java:188) > >> >> at > >> >> > >> >> > org.springframework.security.AbstractAuthenticationManager.authenticate(AbstractAuthenticationManager.java:46) > >> >> at > >> >> > >> >> > org.springframework.security.ui.webapp.AuthenticationProcessingFilter.attemptAuthentication(AuthenticationProcessingFilter.java:82) > >> >> at > >> >> > >> >> > org.springframework.security.ui.AbstractProcessingFilter.doFilterHttp(AbstractProcessingFilter.java:259) > >> >> at > >> >> > >> >> > org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53) > >> >> at > >> >> > >> >> > org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390) > >> >> at > >> >> > >> >> > org.springframework.security.context.HttpSessionContextIntegrationFilter.doFilterHttp(HttpSessionContextIntegrationFilter.java:235) > >> >> at > >> >> > >> >> > org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53) > >> >> at > >> >> > >> >> > org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390) > >> >> at > >> >> > >> >> > org.springframework.security.util.FilterChainProxy.doFilter(FilterChainProxy.java:175) > >> >> at > >> >> > >> >> > org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:236) > >> >> at > >> >> > >> >> > org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167) > >> >> at > >> >> > >> >> > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) > >> >> at > >> >> > >> >> > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > >> >> at > >> >> > >> >> > org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198) > >> >> at > >> >> > >> >> > org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) > >> >> 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:233) > >> >> at > >> >> > >> >> > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) > >> >> at > >> >> > >> >> > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) > >> >> at > >> >> > >> >> > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) > >> >> at > >> >> > >> >> > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) > >> >> at > >> >> > >> >> > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) > >> >> at > >> >> > >> >> > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845) > >> >> at > >> >> > >> >> > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) > >> >> at > >> >> > org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) > >> >> at java.lang.Thread.run(Thread.java:636) > >> >> Caused by: org.hibernate.TransactionException: JDBC begin failed: > >> >> at > >> >> > >> >> > org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:68) > >> >> at > >> >> > org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1326) > >> >> at > >> >> > >> >> > org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:558) > >> >> ... 36 more > >> >> Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: > >> >> Communications link failure > >> >> > >> >> Last packet sent to the server was 0 ms ago. > >> >> at > >> >> sun.reflect.GeneratedConstructorAccessor151.newInstance(Unknown > >> >> Source) > >> >> at > >> >> > >> >> > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > >> >> at > >> >> java.lang.reflect.Constructor.newInstance(Constructor.java:532) > >> >> at com.mysql.jdbc.Util.handleNewInstance(Util.java:406) > >> >> at > >> >> > >> >> > com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074) > >> >> at > com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2985) > >> >> at > com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2871) > >> >> at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3414) > >> >> at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1936) > >> >> at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2060) > >> >> at > >> >> com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2536) > >> >> at > >> >> com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:4874) > >> >> at > >> >> > >> >> > com.mchange.v2.c3p0.impl.NewProxyConnection.setAutoCommit(NewProxyConnection.java:881) > >> >> at > >> >> > >> >> > org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:63) > >> >> ... 38 more > >> >> Caused by: java.io.EOFException: Can not read response from server. > >> >> Expected > >> >> to read 4 bytes, read 0 bytes before connection was unexpectedly > lost. > >> >> at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2431) > >> >> at > com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2882) > >> >> ... 46 more > >> >> > >> >> ========================================================= > >> >> > >> >> And without any action it starts to work by itself. > >> >> > >> >> MySQL is fine. I have checked it with dhis user and in fact there is > a > >> >> dhis > >> >> user connected: > >> >> > >> >> ========================================================= > >> >> [r...@dhisserver tomcat6]# mysql -u dhis -p > >> >> > >> >> Welcome to the MySQL monitor. Commands end with ; or \g. > >> >> Your MySQL connection id is 1346 > >> >> Server version: 5.1.30-log MySQL Community Server (GPL) > >> >> > >> >> Type 'help;' or '\h' for help. Type '\c' to clear the buffer. > >> >> > >> >> mysql> status > >> >> -------------- > >> >> mysql Ver 14.14 Distrib 5.1.30, for unknown-linux-gnu (x86_64) using > >> >> readline 5.1 > >> >> > >> >> Connection id: 1346 > >> >> Current database: > >> >> Current user: d...@localhost > >> >> SSL: Not in use > >> >> Current pager: stdout > >> >> Using outfile: '' > >> >> Using delimiter: ; > >> >> Server version: 5.1.30-log MySQL Community Server (GPL) > >> >> Protocol version: 10 > >> >> Connection: Localhost via UNIX socket > >> >> Server characterset: utf8 > >> >> Db characterset: utf8 > >> >> Client characterset: latin1 > >> >> Conn. characterset: latin1 > >> >> UNIX socket: /var/lib/mysql/mysql.sock > >> >> Uptime: 10 days 18 hours 4 min 44 sec > >> >> > >> >> Threads: 3 Questions: 141592 Slow queries: 0 Opens: 1220 Flush > >> >> tables: > >> >> 1 Open tables: 511 Queries per second avg: 0.152 > >> >> -------------- > >> >> > >> >> mysql> show processlist; > >> >> > >> >> > +------+------+-----------------+---------+---------+------+-------+------------------+ > >> >> | Id | User | Host | db | Command | Time | State | > >> >> Info | > >> >> > >> >> > +------+------+-----------------+---------+---------+------+-------+------------------+ > >> >> | 1341 | dhis | localhost:58090 | dhis204 | Sleep | 540 | | > >> >> NULL | > >> >> | 1342 | dhis | localhost:41792 | dhis204 | Sleep | 540 | | > >> >> NULL | > >> >> | 1346 | dhis | localhost | NULL | Query | 0 | NULL | > >> >> show > >> >> processlist | > >> >> > >> >> > +------+------+-----------------+---------+---------+------+-------+------------------+ > >> >> 3 rows in set (0.00 sec) > >> >> > >> >> =================================================== > >> >> > >> >> > >> >> I am using the last stable DHIS war file (2.0.4). > >> >> My JAVA_OPTS="-Xms128m -Xmx700m -XX:MaxPermSize=256m" > >> >> > >> >> I am on Fedora Linux: Fedora release 10 (Cambridge) > >> >> And Tomcat 6.0.18. > >> >> > >> >> Can you help me guys? > >> >> > >> >> Caveman > >> >> > >> >> > >> >> _______________________________________________ > >> >> Mailing list: > >> >> https://launchpad.net/~dhis2-devs<https://launchpad.net/%7Edhis2-devs> > >> >> Post to : [email protected] > >> >> Unsubscribe : > >> >> https://launchpad.net/~dhis2-devs<https://launchpad.net/%7Edhis2-devs> > >> >> More help : https://help.launchpad.net/ListHelp > >> >> > >> >> > >> > > >> > > >> > > >> > -- > >> > -- > >> > Jason P. Pickering > >> > email: [email protected] > >> > tel:+260968395190 > >> > > >> > _______________________________________________ > >> > Mailing list: > >> > https://launchpad.net/~dhis2-devs<https://launchpad.net/%7Edhis2-devs> > >> > Post to : [email protected] > >> > Unsubscribe : > >> > https://launchpad.net/~dhis2-devs<https://launchpad.net/%7Edhis2-devs> > >> > More help : https://help.launchpad.net/ListHelp > >> > > > > > > > >
_______________________________________________ Mailing list: https://launchpad.net/~dhis2-devs Post to : [email protected] Unsubscribe : https://launchpad.net/~dhis2-devs More help : https://help.launchpad.net/ListHelp
