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Posted to commits@harmony.apache.org by "Paulex Yang (JIRA)" <ji...@apache.org> on 2006/07/26 08:39:16 UTC
[jira] Closed: (HARMONY-667)
[classlib][io]java.io.BufferedInputStream.skip(int n) unexpected NPE
[ http://issues.apache.org/jira/browse/HARMONY-667?page=all ]
Paulex Yang closed HARMONY-667.
-------------------------------
Verified by Vladimir.
> [classlib][io]java.io.BufferedInputStream.skip(int n) unexpected NPE
> --------------------------------------------------------------------
>
> Key: HARMONY-667
> URL: http://issues.apache.org/jira/browse/HARMONY-667
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Reporter: Vladimir Ivanov
> Assigned To: Paulex Yang
> Attachments: BufferedInputStream.patch, BufferedInputStreamTest.patch
>
>
> The java.io.BufferedInputStream.skip(int n) throws unexpected NPE if object was constructed as BufferedInputStream(null, ...) while RI throws IOException. The same behavior observed for java.io.BufferedInputStream.close() too.
> =================== test.java ============================
> import java.io.*;
> public class test {
> public static void main (String[] args) {
> BufferedInputStream buf = new BufferedInputStream(null,5);
> try {
> buf.skip(1);
> } catch (Exception e) {
> e.printStackTrace();
> }
> try {
> buf.close();
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
> }
> ======================================================
> Output:
> C:\tmp\tmp17>C:\jrockit-j2sdk1.4.2_04\bin\java.exe -showversion test
> java version "1.4.2_04"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_04-b05)
> BEA WebLogic JRockit(TM) 1.4.2_04 JVM (build ari-31788-20040616-1132-win-ia32, Native Threads, GC strategy: parallel)
> java.io.IOException: Stream closed
> at java.io.BufferedInputStream.ensureOpen()V(BufferedInputStream.java:120)
> at java.io.BufferedInputStream.skip(J)J(BufferedInputStream.java:296)
> at test.main([Ljava.lang.String;)V(test.java:7)
> C:\tmp\tmp17>C:\harmony\trunk_0427\deploy\jdk\jre\bin\java.exe -showversion test
> java version 1.5 (subset)
> (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors, as applicable.
> java.lang.NullPointerException
> at java.io.BufferedInputStream.skip(BufferedInputStream.java:339)
> at test.main(test.java:7)
> java.lang.NullPointerException
> at java.io.FilterInputStream.close(FilterInputStream.java:68)
> at java.io.BufferedInputStream.close(BufferedInputStream.java:112)
> at test.main(test.java:12)
> C:\tmp\tmp17>
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