File#reopen blows with IllegalArgumentException in some cases
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Key: JRUBY-2071
URL: http://jira.codehaus.org/browse/JRUBY-2071
Project: JRuby
Issue Type: Bug
Affects Versions: JRuby 1.1RC1
Environment: Latest JRuby 1.1RC1 (r5843)
Reporter: Vladimir Sizikov
Assignee: Thomas E Enebo
Priority: Blocker
Fix For: JRuby 1.1RC2
Attachments: file-reopen.rb
This is a reduced version of rubicon test failure.
Please also note that changing BUFSIZE form 16kb to 16bytes in
ChannelStream.java eliminates
the failure, but not really appropriate for other reasons :)
{noformat}
jruby file-reopen.rb
Exception in thread "main" java.lang.IllegalArgumentException
at sun.nio.ch.FileChannelImpl.position(FileChannelImpl.java:280)
at org.jruby.util.io.ChannelStream.fseek(ChannelStream.java:436)
at org.jruby.util.io.OpenFile.seek(OpenFile.java:105)
at org.jruby.RubyIO.reopen(RubyIO.java:429)
at org.jruby.RubyIOInvoker$reopen_method_1_1.call(Unknown Source)
at
org.jruby.internal.runtime.methods.JavaMethod$JavaMethodNoBlock.call(JavaMethod.java:63)
at
org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:77)
at
org.jruby.runtime.CallSite$InlineCachingCallSite.cacheAndCall(CallSite.java:211)
at
org.jruby.runtime.CallSite$InlineCachingCallSite.call(CallSite.java:361)
at
ruby.opt.work.samples.file_minus_reopen_dot_rb.__file__(file-reopen.rb:16)
at ruby.opt.work.samples.file_minus_reopen_dot_rb.load(file-reopen.rb)
at org.jruby.Ruby.runScript(Ruby.java:492)
at org.jruby.Ruby.runNormally(Ruby.java:412)
at org.jruby.Ruby.runFromMain(Ruby.java:292)
at org.jruby.Main.run(Main.java:142)
at org.jruby.Main.run(Main.java:88)
at org.jruby.Main.main(Main.java:79)
{noformat}
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