Superclass contains parameters with bounds declared in class
Subclass contains parameters with bounds which are subbounds of declared above declared in method's signature. SigTest cannot perform this signature

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java -cp .:$CLASSPATH com.sun.tdk.signaturetest.SignatureTest -classpath .:/java/re/jdk/1.5.0/archive/fcs/binaries/solaris-sparcv9/jre/lib/rt.jar -package testSigTest.tst020m.tst020m -filename tst020m.sig -mode bin
SignatureTest report
Tested version:
Check mode: bin
Constant checking: off

Exception in thread "main" java.lang.NullPointerException
        at com.sun.tdk.signaturetest.Erasurator.convert(Erasurator.java:80)
        at com.sun.tdk.signaturetest.Erasurator.processMember(Erasurator.java:159)
        at com.sun.tdk.signaturetest.Erasurator.processMembers(Erasurator.java:144)
        at com.sun.tdk.signaturetest.Erasurator.erasure(Erasurator.java:48)
        at com.sun.tdk.signaturetest.SignatureTest.check(SignatureTest.java:634)
        at com.sun.tdk.signaturetest.SignatureTest.run(SignatureTest.java:230)
        at com.sun.tdk.signaturetest.SignatureTest.main(SignatureTest.java:200)