Issue 242: diff of delete against delete shows unexpected error
Status:  CannotReproduce
Owner:
Closed:  Sep 2009
Reported by code-rev...@gtempaccount.com, Sep 24, 2009
Reported by Shawn Pearce <sop@google.com> on Wed Jul 15 06:48:31 PDT 2009
Source: JIRA GERRIT-243
Affected Version: 2.0.16

Steps to reproduce:

* Open https://review.source.android.com/10644
* Select Patch Set 6.
* Click on src/main/java/com/google/gerrit/client/rpc/
NoDifferencesException.java
* Expand Patch History.
* Change Old to Patch Set 5.

We get an Unexpected Error - "The page you requested was not found".

Server error log shows:

2009-07-15 06:47:52,356::ERROR:
com.google.gerrit.server.patch.PatchScriptAction  - Cache get failed for
DiffCache[IGNORE_NONE tools/gerrit
47d616c47eda192750778434c00b535415b20172..e1e57a147b769943ecc989ffe1b851f908f9c220
-- src/main/java/com/google/gerrit/client/rpc/NoDifferencesException.java]
net.sf.ehcache.CacheException: Could not fetch object for cache entry with key
"DiffCache[IGNORE_NONE tools/gerrit
47d616c47eda192750778434c00b535415b20172..e1e57a147b769943ecc989ffe1b851f908f9c220
-- src/main/java/com/google/gerrit/client/rpc/NoDifferencesException.java]".
	at net.sf.ehcache.constructs.blocking.SelfPopulatingCache.get
(SelfPopulatingCache.java:87)
	at net.sf.ehcache.constructs.blocking.BlockingCache.get(BlockingCache.java:
533)
	at com.google.gerrit.server.patch.PatchScriptAction.get
(PatchScriptAction.java:143)
	at com.google.gerrit.server.patch.PatchScriptAction.run
(PatchScriptAction.java:112)
	at com.google.gerrit.server.patch.PatchScriptAction.run
(PatchScriptAction.java:1)
	at com.google.gerrit.client.rpc.BaseServiceImplementation.run
(BaseServiceImplementation.java:48)
	at com.google.gerrit.server.patch.PatchDetailServiceImpl.patchScript
(PatchDetailServiceImpl.java:85)
	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:616)
	at com.google.gwtjsonrpc.server.MethodHandle.invoke(MethodHandle.java:91)
	at com.google.gwtjsonrpc.server.JsonServlet.doService(JsonServlet.java:385)
	at com.google.gwtjsonrpc.server.JsonServlet.service(JsonServlet.java:277)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter
(ServletHandler.java:1097)
	at com.google.gwtexpui.server.CacheControlFilter.doFilter
(CacheControlFilter.java:76)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter
(ServletHandler.java:1088)
	at com.google.gerrit.server.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:
97)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter
(ServletHandler.java:1088)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729)
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
	at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:
49)
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
	at org.mortbay.jetty.Server.handle(Server.java:324)
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
	at org.mortbay.jetty.HttpConnection$RequestHandler.content
(HttpConnection.java:843)
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:647)
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:
395)
	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:
488)
Caused by: java.io.IOException: path "src/main/java/com/google/gerrit/client/
rpc/NoDifferencesException.java" not in
e1e57a147b769943ecc989ffe1b851f908f9c220
	at com.google.gerrit.server.patch.DiffCacheContent.createEmpty
(DiffCacheContent.java:76)
	at com.google.gerrit.server.patch.DiffCacheEntryFactory.createEntry
(DiffCacheEntryFactory.java:91)
	at net.sf.ehcache.constructs.blocking.SelfPopulatingCache.get
(SelfPopulatingCache.java:71)
	... 36 more
Sep 24, 2009
#1 sop+code@google.com
Cannot reproduce on 2.0.21.  Assuming fixed somewhere in between .16 and .21.
Status: CannotReproduce
Owner: s...@google.com