Problem dissapeared when I added ha-jdbc-2.0.16 dependencies into tomcat/lib !
j@j-Dell-System-XPS-L702X:/szkolenie/tomcat/lib_hajdbc$ unzip -v ../hajdbc3.0_lib/ha-jdbc-3.0.0.jar | grep net.sf.hajdbc.sql.Driver 3429 Defl:N 1646 52% 2013-12-31 10:17 55394556 net/sf/hajdbc/sql/DriverDatabase.class 1232 Defl:N 524 58% 2013-12-31 10:17 fbbe1ce9 net/sf/hajdbc/sql/DriverProxyFactory.class 2630 Defl:N 1004 62% 2013-12-31 10:17 35b4d591 net/sf/hajdbc/sql/Driver$1.class 1487 Defl:N 669 55% 2013-12-31 10:17 c17fd96a net/sf/hajdbc/sql/Driver$2.class 1522 Defl:N 672 56% 2013-12-31 10:17 ee4dde44 net/sf/hajdbc/sql/Driver$3.class 435 Defl:N 236 46% 2013-12-31 10:17 4834ccfd net/sf/hajdbc/sql/Driver$DriverInvoker.class 8018 Defl:N 2794 65% 2013-12-31 10:17 21b57c25 net/sf/hajdbc/sql/Driver.class 719 Defl:N 340 53% 2013-12-31 10:17 ec305738 net/sf/hajdbc/sql/DriverInvocationHandler.class 2384 Defl:N 1034 57% 2013-12-31 10:17 fffd8294 net/sf/hajdbc/sql/DriverDatabaseClusterConfiguration$DriverNestedConfiguration.class 1574 Defl:N 605 62% 2013-12-31 10:17 72344bd7 net/sf/hajdbc/sql/DriverDatabaseClusterConfiguration.class j@j-Dell-System-XPS-L702X:/szkolenie/tomcat/lib_hajdbc$ unzip -v ha-jdbc-2.0.16-rc-1-jdk1.6.jar | grep net.sf.hajdbc.sql.Driver 1640 Defl:N 718 56% 2009-06-21 22:46 76b28996 net/sf/hajdbc/sql/Driver$1.class 1684 Defl:N 726 57% 2009-06-21 22:46 912651b8 net/sf/hajdbc/sql/Driver$2.class 5843 Defl:N 2392 59% 2009-06-21 22:46 317b828f net/sf/hajdbc/sql/Driver.class 7381 Defl:N 2819 62% 2009-06-21 22:46 34e95098 net/sf/hajdbc/sql/DriverDatabase.class 5270 Defl:N 1902 64% 2009-06-21 22:46 906454c7 net/sf/hajdbc/sql/DriverDatabaseCluster.class 431 Defl:N 212 51% 2009-06-21 22:46 c33f88df net/sf/hajdbc/sql/DriverDatabaseClusterMBean.class 788 Defl:N 356 55% 2009-06-21 22:46 769c6e43 net/sf/hajdbc/sql/DriverInvocationHandler.class 1635 Defl:N 661 60% 2009-06-21 22:46 783a57aa net/sf/hajdbc/sql/DriverReadInvocationStrategy.class 2755 Defl:N 1088 61% 2009-06-21 22:46 1ad7452d net/sf/hajdbc/sql/DriverWriteInvocationStrategy.class I put only one jar into tomcat/lib, and no into petclinic/WEB-INF/lib (when it was put into petclinic/WEB-INF/lib there where also all dependencies added by maven, and no ha-jdbc in tomcat/lib) Problem dissapeared when I added ha-jdbc-2.0.16 dependencies into tomcat/lib ! I added jibx-run-1.2.1.jar slf4j-api-1.5.7.jar slf4j-simple-1.5.7.jar and it helped !! there is no more Caused by: org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot load JDBC driver class 'net.sf.hajdbc.sql.Driver' at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createConnectionFactory(BasicDataSource.java:1429) ~[tomcat-dbcp.jar:7.0.50] at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1371) ~[tomcat-dbcp.jar:7.0.50] at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044) ~[tomcat-dbcp.jar:7.0.50] at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-4.0.0.RELEASE.jar:4.0.0.RELEASE] at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-4.0.0.RELEASE.jar:4.0.0.RELEASE] ... 30 common frames omitted Caused by: java.lang.NoClassDefFoundError: Could not initialize class net.sf.hajdbc.sql.Driver at java.lang.Class.forName0(Native Method) ~[na:1.6.0_37] at java.lang.Class.forName(Class.java:169) ~[na:1.6.0_37] at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createConnectionFactory(BasicDataSource.java:1415) ~[tomcat-dbcp.jar:7.0.50] ... 34 common frames omitted Jan 29, 2014 12:10:06 AM org.apache.catalina.core.StandardContext startInternal SEVERE: Error listenerStart Strange, Thx for help. BR Jakub On Tue, Jan 28, 2014 at 11:37 PM, Caldarale, Charles R < chuck.caldar...@unisys.com> wrote: > > From: Christopher Schultz [mailto:ch...@christopherschultz.net] > > Subject: Re: class from jar in tomcat/lib not found > > > > Caused by: java.lang.NoClassDefFoundError > > > Have you put both JAR files in lib/ at once? > > Or one in Tomcat's lib directory and another in the app's WEB-INF/lib. > Having the same class visible to nested classloaders can cause the > exception above. > > - Chuck > > > THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY > MATERIAL and is thus for use only by the intended recipient. If you > received this in error, please contact the sender and delete the e-mail and > its attachments from all computers. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >