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Hello everyone,

We used ZK 7.0.1 and java 7. Users can upload file on ZK web pages. Our development and test environment OK. But prod environment has following exception;

We checked file size but independent of file size this exception occur each time.

Probably ZK8 fix it. Is ZK8 compatible with Java 7 ? Thanks for help.

at org.zkoss.zk.au.http.AuUploader.service(AuUploader.java:115) at org.zkoss.zk.au.http.DHtmlUpdateServlet.doGet(DHtmlUpdateServlet.java:459) at org.zkoss.zk.au.http.DHtmlUpdateServlet.doPost(DHtmlUpdateServlet.java:494) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125 at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301) at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60) at com.i2i.prm.webapp.base.RequestLoggingFilter.doFilter(RequestLoggingFilter.java:36) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60) at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3748) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3714) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120) at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2283) at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2182) at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1499) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:263) at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)

Hello everyone,

We used ZK 7.0.1 and java 7. Users can upload file on ZK web pages. Our development and test environment OK. But prod environment has following exception;

We checked file size but independent of file size this exception occur each time.

Probably ZK8 fix it. Is ZK8 compatible with Java 7 ? Thanks for help.

2019-02-14 11:33:11,557 ERROR (AuUploader.java:233) - Failed to upload java.lang.NullPointerException

at org.zkoss.zk.au.http.AuUploader.service(AuUploader.java:115) at org.zkoss.zk.au.http.DHtmlUpdateServlet.doGet(DHtmlUpdateServlet.java:459) at org.zkoss.zk.au.http.DHtmlUpdateServlet.doPost(DHtmlUpdateServlet.java:494) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125 at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301) at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60) at com.i2i.prm.webapp.base.RequestLoggingFilter.doFilter(RequestLoggingFilter.java:36) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60) at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3748) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3714) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120) at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2283) at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2182) at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1499) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:263) at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)