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NullPointerException in Soot (soot.coffi.CFG)



Greetings --

This was reported earlier on this list; here's a concrete case: 

>From Sun JDK for Linux build 1.4.1_01-b01, method

<sun.rmi.transport.proxy.RMIMasterSocketFactory$AsyncConnector: void run()>

I get: 

Exception in thread "main" java.lang.NullPointerException
        at java.util.Hashtable.get(Hashtable.java:329)
        at soot.coffi.CFG.adjustExceptionTable(CFG.java:963)
        at soot.coffi.CFG.eliminateJsrRets(CFG.java:463)
        at soot.coffi.CFG.<init>(CFG.java:89)
        at soot.coffi.CoffiMethodSource.getBody(CoffiMethodSource.java:89)
        at soot.SootMethod.getBodyFromMethodSource(SootMethod.java:79)
        at soot.SootMethod.retrieveActiveBody(SootMethod.java:274)
        at soot.PackManager.runBodyPacks(PackManager.java:477)
        at soot.PackManager.runBodyPacks(PackManager.java:318)
        at soot.PackManager.runPacks(PackManager.java:278)
        at soot.Main.run(Main.java:180)
        at soot.Main.main(Main.java:154)
        at Main.main(Main.java:90)

The exception table for the original method is: 

Exception table :
start   end     handler
20       31      34
34       37      34
65       72      75
58       82      85
85       89      85
0        92      95
100      111     114
114      118     114
0        127     130
130      135     130

The exception table entry that triggers it is the first one added (the
below is the list of exception table entries as they are processed by
adjustExceptionTable()). 

20       31      34
34       37      34
65       72      75
58       82      85
85       89      85
0        92      95
100      111     114
114      118     114
0        127     130
130      135     130
null     144     34
^^^^

Oddly, the startpc associated with this entry is 0.

If you need any other information (the classfile, the instruction list,
etc), please ask. 

Thanks for any help,
Algis R.

-- 
         Algis Rudys        Rice University
     arudys@rice.edu        Computer Science
"Heart has nothing to do with it anymore. It's all in the caffeine."
 -- Frank Pembleton, _Homicide_