Monthly Archives: November 2011

Java stuff

28-Nov-11

Here is some Java stuff I’ve written over the last year for Daily Fratze. All of the stuff is in use on Daily Fratze since June 2011. java-akismet java-akismet is a simple client for Akismet based on the latest version of Apache HttpComponents. java-oembed I really like the idea of oEmbed: A mechanism for auto […]

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Fixing hibernate “Cannot release connection” exception using DBCP and MySQL.

21-Nov-11

Every 8 hours i got a Hibernate exception “Cannot release connection” within a Java application using Hibernate, Apache DBCP on Tomcat: org.hibernate.exception.GenericJDBCException: Cannot release connection at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103) at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29) .. .. Caused by: java.sql.SQLException: Already closed. Not only that the messages polluted my inbox, the exception was visible to the enduser, […]

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Old and tired?

09-Nov-11

Right now i’m at the #jaxcon in Munich. While sitting in a talk, this tweet by @cuchulin caught my attention: #wjax// #jaxcon People seems like java itself: They are getting older and look somehow tired. — erhard karger (@cuchulin) November 8, 2011 I really don’t think that’s Java who’s old and tired, neither as a […]

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