03-05/08:35:02 ERROR ["http-bio-/0.0.0.0-8443"-exec-10] AbstractJaxWsHandler -
ru.bitel.bgbilling.common.BGException
        at bitel.billing.server.contract.bean.ContractStatusManager.updateStatus(ContractStatusManager.java:230)
        at bitel.billing.server.contract.bean.ContractStatusManager.changeStatus(ContractStatusManager.java:540)
        at bitel.billing.server.contract.bean.ContractStatusManager.changeStatus(ContractStatusManager.java:343)
        at ru.bitel.bgbilling.kernel.contract.status.server.service.ContractStatusMonitorServiceImpl.changeContractStatus(ContractStatusMonitorServiceImpl.java:117)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:622)
        at ru.bitel.bgbilling.kernel.container.service.server.ServiceInfo.invoke(ServiceInfo.java:102)
        at ru.bitel.bgbilling.kernel.container.ws.server.AbstractJaxWsHandler.invoke(AbstractJaxWsHandler.java:202)
        at ru.bitel.bgbilling.kernel.container.ws.server.JaxWsHandler.access$1(JaxWsHandler.java:1)
        at ru.bitel.bgbilling.kernel.container.ws.server.JaxWsHandler$2.run(JaxWsHandler.java:338)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:416)
        at ru.bitel.bgbilling.kernel.container.ws.server.JaxWsHandler.invoke(JaxWsHandler.java:332)
        at ru.bitel.bgbilling.kernel.container.ws.server.AbstractJaxWsHandler$ServiceInstanceResolver$1.invoke(AbstractJaxWsHandler.java:314)
        at com.sun.xml.ws.server.InvokerTube$2.invoke(InvokerTube.java:150)
        at com.sun.xml.ws.server.sei.EndpointMethodHandler.invoke(EndpointMethodHandler.java:261)
        at com.sun.xml.ws.server.sei.SEIInvokerTube.processRequest(SEIInvokerTube.java:100)
        at com.sun.xml.ws.api.pipe.Fiber.__doRun(Fiber.java:641)
        at com.sun.xml.ws.api.pipe.Fiber._doRun(Fiber.java:600)
        at com.sun.xml.ws.api.pipe.Fiber.doRun(Fiber.java:585)
        at com.sun.xml.ws.api.pipe.Fiber.runSync(Fiber.java:482)
        at com.sun.xml.ws.server.WSEndpointImpl$2.process(WSEndpointImpl.java:314)
        at com.sun.xml.ws.transport.http.HttpAdapter$HttpToolkit.handle(HttpAdapter.java:608)
        at com.sun.xml.ws.transport.http.HttpAdapter.handle(HttpAdapter.java:259)
        at com.sun.xml.ws.transport.http.servlet.ServletAdapter.handle(ServletAdapter.java:162)
        at ru.bitel.common.server.JaxWSAdapter.handle(JaxWSAdapter.java:396)
        at bitel.billing.server.Executer.doPost(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at bitel.billing.server.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:48)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:403)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:301)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:162)
        at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:309)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:701)

 ALTER TABLE contract_status DROP COLUMN uid;

mysql-community-server.x86_64
                        5.6.16-1.el5    @mysql56-community

[root@localhost etc]# cat ./my.cnf
# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.6/en/server-configuration-defaults.html

[mysqld]
#
# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M
#
# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin
#
# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock

# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0

# Recommended in standard MySQL setup
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid