Null Pointer in JpaWorkerDao

[skryzhny]

Got this exception:

2016-11-15 03:25:41,149[io-8080-exec-95]  [ERROR] [o.e.c.servlet.EverrestServlet 71]    - java.lang.NullPointerException: Workspace identifier required
org.everrest.core.UnhandledException: java.lang.NullPointerException: Workspace identifier required
	at org.everrest.core.impl.RequestHandlerImpl.handleRequest(RequestHandlerImpl.java:73) ~[everrest-core-1.13.1.jar:na]
	at org.everrest.core.impl.EverrestProcessor.process(EverrestProcessor.java:120) ~[everrest-core-1.13.1.jar:na]
	at org.everrest.core.servlet.EverrestServlet.service(EverrestServlet.java:61) ~[everrest-core-1.13.1.jar:na]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) [servlet-api.jar:na]
	at com.google.inject.servlet.ServletDefinition.doServiceImpl(ServletDefinition.java:286) [guice-servlet-4.1.0.jar:na]
	at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:276) [guice-servlet-4.1.0.jar:na]
	at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:181) [guice-servlet-4.1.0.jar:na]
	at com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91) [guice-servlet-4.1.0.jar:na]
	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:85) [guice-servlet-4.1.0.jar:na]
	at org.apache.catalina.filters.CorsFilter.handleNonCORS(CorsFilter.java:436) [catalina.jar:8.0.38]
	at org.apache.catalina.filters.CorsFilter.doFilter(CorsFilter.java:177) [catalina.jar:8.0.38]
	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82) [guice-servlet-4.1.0.jar:na]
	at com.codenvy.auth.sso.client.DefaultTokenHandler.handleValidToken(DefaultTokenHandler.java:65) [codenvy-hosted-sso-client-5.0.0-M7.jar:5.0.0-M7]
	at com.codenvy.api.permission.server.PermissionTokenHandler.handleValidToken(PermissionTokenHandler.java:64) [codenvy-hosted-authorization-5.0.0-M7.jar:5.0.0-M7]
	at com.codenvy.auth.sso.client.LoginFilter.doFilter(LoginFilter.java:120) [codenvy-hosted-sso-client-5.0.0-M7.jar:5.0.0-M7]
	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82) [guice-servlet-4.1.0.jar:na]
	at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:120) [guice-servlet-4.1.0.jar:na]
	at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:135) [guice-servlet-4.1.0.jar:na]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) [catalina.jar:8.0.38]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) [catalina.jar:8.0.38]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212) [catalina.jar:8.0.38]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.38]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141) [catalina.jar:8.0.38]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.38]
	at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:189) [logback-access-1.1.2.jar:na]
	at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:676) [catalina.jar:8.0.38]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.38]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528) [catalina.jar:8.0.38]
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1100) [tomcat-coyote.jar:8.0.38]
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:687) [tomcat-coyote.jar:8.0.38]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520) [tomcat-coyote.jar:8.0.38]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476) [tomcat-coyote.jar:8.0.38]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_45]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_45]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.38]
	at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45]
Caused by: java.lang.NullPointerException: Workspace identifier required
	at java.util.Objects.requireNonNull(Objects.java:228) ~[na:1.8.0_45]
	at com.codenvy.api.workspace.server.spi.jpa.JpaWorkerDao.get(JpaWorkerDao.java:84) ~[codenvy-hosted-api-workspace-5.0.0-M7.jar:5.0.0-M7]
	at com.codenvy.api.workspace.server.spi.jpa.JpaWorkerDao.get(JpaWorkerDao.java:50) ~[codenvy-hosted-api-workspace-5.0.0-M7.jar:5.0.0-M7]
	at com.codenvy.api.workspace.server.spi.jpa.JpaWorkerDao$$EnhancerByGuice$$901f00ec.get(<generated>) ~[codenvy-hosted-api-workspace-5.0.0-M7.jar:5.0.0-M7]
	at com.codenvy.api.permission.server.PermissionsManager.get(PermissionsManager.java:137) ~[codenvy-hosted-api-permission-5.0.0-M7.jar:5.0.0-M7]
	at com.codenvy.api.permission.server.filter.GetPermissionsFilter.filter(GetPermissionsFilter.java:58) ~[codenvy-hosted-api-permission-5.0.0-M7.jar:5.0.0-M7]
	at org.eclipse.che.everrest.CheMethodInvokerFilter.accept(CheMethodInvokerFilter.java:38) ~[che-core-api-core-5.0.0-M7.jar:5.0.0-M7]
	at org.everrest.core.impl.method.DefaultMethodInvoker.beforeInvokeMethod(DefaultMethodInvoker.java:134) ~[everrest-core-1.13.1.jar:na]
	at org.everrest.core.impl.method.DefaultMethodInvoker.invokeMethod(DefaultMethodInvoker.java:59) ~[everrest-core-1.13.1.jar:na]
	at org.everrest.core.impl.RequestDispatcher.doInvokeResource(RequestDispatcher.java:306) ~[everrest-core-1.13.1.jar:na]
	at org.everrest.core.impl.RequestDispatcher.invokeSubResourceMethod(RequestDispatcher.java:297) ~[everrest-core-1.13.1.jar:na]
	at org.everrest.core.impl.RequestDispatcher.dispatch(RequestDispatcher.java:233) ~[everrest-core-1.13.1.jar:na]
	at org.everrest.core.impl.RequestDispatcher.dispatch(RequestDispatcher.java:128) ~[everrest-core-1.13.1.jar:na]
	at org.everrest.core.impl.RequestHandlerImpl.handleRequest(RequestHandlerImpl.java:62) ~[everrest-core-1.13.1.jar:na]
	... 35 common frames omitted

Reproduction Steps:

Don't know

Expected behavior:

No Null Pointer Exceptions in cod

Observed behavior:

Null Pointer Exceptions in cod

Codenvy version: 5.0.0-M7
OS and version: Centos 7.2

Additional information:

Problem only started happening recently, didn't happen in an older version of Codenvy: No
Problem can be reliably reproduced: No - it's random