OutOfMemoryError while serializing page
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Key: WICKET-2051
URL: https://issues.apache.org/jira/browse/WICKET-2051
Project: Wicket
Issue Type: Bug
Components: wicket
Affects Versions: 1.4-RC1
Reporter: Yosi
getting OutOfMemoryError while serializing page.
* I have a page containing a ModalWindow showing a Page.
* When closing the modal I get the following exception (see below).
* Objects.setObjectStreamFactory(new WicketObjectStreamFactory()) seem to fix
the problem.
* (using SimpleSynchronousFilePageStore() instead of DiskPageStore also fixes
the problem).
And also some questions:
* why do we need WicketObjectStreamFactory?
* is it ok to use it?
* why isn't it the default?
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2786)
at
java.io.ByteArrayOutputStream.toByteArray(ByteArrayOutputStream.java:133)
at
org.apache.wicket.util.lang.Objects.objectToByteArray(Objects.java:1107)
at
org.apache.wicket.protocol.http.pagestore.AbstractPageStore$PageSerializer.getPageReplacementObject(AbstractPageStore.java:281)
at org.apache.wicket.Page.writeReplace(Page.java:1320)
at sun.reflect.GeneratedMethodAccessor186.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
java.io.ObjectStreamClass.invokeWriteReplace(ObjectStreamClass.java:1032)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1107)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
at
org.apache.wicket.util.io.IObjectStreamFactory$DefaultObjectStreamFactory$2.writeObjectOverride(IObjectStreamFactory.java:119)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:322)
at
org.apache.wicket.util.lang.Objects.objectToByteArray(Objects.java:1097)
at
org.apache.wicket.protocol.http.pagestore.AbstractPageStore.serializePage(AbstractPageStore.java:199)
at
org.apache.wicket.protocol.http.pagestore.DiskPageStore.storePage(DiskPageStore.java:814)
at
org.apache.wicket.protocol.http.SecondLevelCacheSessionStore$SecondLevelCachePageMap.put(SecondLevelCacheSessionStore.java:327)
at org.apache.wicket.Session.requestDetached(Session.java:1390)
at org.apache.wicket.RequestCycle.detach(RequestCycle.java:1113)
at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1385)
at org.apache.wicket.RequestCycle.request(RequestCycle.java:498)
at
org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:444)
at
org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:282)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1089)
at
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
at
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1089)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:365)
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