Had to re-register at http://www.dzone.com because "forgot password" function did not work. Registration blew up as soon as I entered my name and everything (obviously duplicate). The full stack trace came up (below). This is year 2008, right? Full stack trace on major site. Why?

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Error: 500 - Internal Server Error

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org.springframework.dao.DataIntegrityViolationException: SqlMapClient operation; SQL [];   
--- The error occurred in UserProfile.xml.  
--- The error occurred while applying a parameter map.  
--- Check the addProfile-InlineParameterMap.  
--- Check the statement (update failed).  
--- Cause: com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException: 
Duplicate entry '183531' for key 1; nested exception is com.ibatis.common.jdbc.exception.NestedSQLException:   
--- The error occurred in UserProfile.xml.  
--- The error occurred while applying a parameter map.  
--- Check the addProfile-InlineParameterMap.  
--- Check the statement (update failed).  
--- Cause: com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException: Duplicate entry '183531' for key 1
	at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.
translate(SQLErrorCodeSQLExceptionTranslator.java:292)
	at org.springframework.orm.ibatis.SqlMapClientTemplate.execute(SqlMapClientTemplate.java:212)
	at org.springframework.orm.ibatis.SqlMapClientTemplate.insert(SqlMapClientTemplate.java:397)
	at com.dzone.user.dao.ibatis.IBatisUserProfileDAO.addProfile(IBatisUserProfileDAO.java:55)
	at sun.reflect.GeneratedMethodAccessor720.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:301)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:198)
	at $Proxy22.addProfile(Unknown Source)
	at com.dzone.user.managers.UserManager.addProfile(UserManager.java:66)
	at sun.reflect.GeneratedMethodAccessor687.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:301)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:198)
	at $Proxy23.addProfile(Unknown Source)
	at sun.reflect.GeneratedMethodAccessor687.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:301)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:198)
	at $Proxy24.addProfile(Unknown Source)
	at com.dzone.user.acegi.DrupalUserDetailsProvider.createRemoteUserAndProfile(DrupalUserDetailsProvider.java:94)
	at com.dzone.user.controllers.RegisterController.onSubmit(RegisterController.java:98)
	at org.springframework.web.servlet.mvc.SimpleFormController.processFormSubmission(SimpleFormController.java:267)
	at org.springframework.web.servlet.mvc.CancellableFormController.processFormSubmission(CancellableFormController.java:140)
	at org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:265)
	at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
	at sun.reflect.GeneratedMethodAccessor274.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:301)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
	at org.springframework.aop.framework.adapter.MethodBeforeAdviceInterceptor.invoke(MethodBeforeAdviceInterceptor.java:50)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
	at $Proxy29.handleRequest(Unknown Source)
	at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:874)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:808)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:476)
	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:441)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:153)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:91)
	at com.caucho.server.dispatch.ServletFilterChain.doFilter(ServletFilterChain.java:103)
	at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:39)
	at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
	at com.dzone.utils.filters.WhosOnlineFilter.doFilter(WhosOnlineFilter.java:148)
	at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
	at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:738)
	at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:265)
	at org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)
	at org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
	at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:110)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
	at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
	at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:135)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
	at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:229)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
	at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:286)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
	at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:149)
	at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98)
	at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
	at com.dzone.utils.filters.DZThemeOverrideFilter.doFilter(DZThemeOverrideFilter.java:46)
	at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
	at com.dzone.utils.filters.DZThemeFilter.doFilter(DZThemeFilter.java:42)
	at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
	at com.dzone.utils.filters.DZCharacterEncodingFilter.doFilterInternal(DZCharacterEncodingFilter.java:77)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
	at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
	at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:181)
	at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:266)
	at com.caucho.server.hmux.HmuxRequest.handleRequest(HmuxRequest.java:435)
	at com.caucho.server.port.TcpConnection.run(TcpConnection.java:602)
	at com.caucho.util.ThreadPool$Item.runTasks(ThreadPool.java:690)
	at com.caucho.util.ThreadPool$Item.run(ThreadPool.java:612)
	at java.lang.Thread.run(Thread.java:619)
Caused by: com.ibatis.common.jdbc.exception.NestedSQLException:   
--- The error occurred in UserProfile.xml.  
--- The error occurred while applying a parameter map.  
--- Check the addProfile-InlineParameterMap.  
--- Check the statement (update failed).  
--- Cause: com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException: Duplicate entry '183531' for key 1
	at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeUpdate(GeneralStatement.java:91)
	at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.insert(SqlMapExecutorDelegate.java:447)
	at com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl.insert(SqlMapSessionImpl.java:82)
	at org.springframework.orm.ibatis.SqlMapClientTemplate$9.doInSqlMapClient(SqlMapClientTemplate.java:399)
	at org.springframework.orm.ibatis.SqlMapClientTemplate.execute(SqlMapClientTemplate.java:209)
	... 82 more
Caused by: com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException: Duplicate entry '183531' for key 1
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:931)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2934)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1616)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1708)
	at com.mysql.jdbc.Connection.execSQL(Connection.java:3255)
	at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1293)
	at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:867)
	at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:168)
	at com.ibatis.sqlmap.engine.execution.SqlExecutor.executeUpdate(SqlExecutor.java:81)
	at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.sqlExecuteUpdate(GeneralStatement.java:200)
	at com.ibatis.sqlmap.engine.mapping.statement.GeneralStatement.executeUpdate(GeneralStatement.java:78)
	... 86 more