IV50657: MESSAGEDIGEST SPECIFIC TEST FROM JTREG FAILS IN JDK6

APAR status

• Closed as program error.

Error description

• Error Message: esting CertStore.getInstance()...
  Testing failover...
  Exception in thread "main"
  java.security.NoSuchAlgorithmException: Error constructing
  implementation (MessageDigest, bar)
          at
  java.security.Provider$Service.newInstance(Provider.java:884)
          at
  org.apache.harmony.security.fortress.Engine.getInstance(Engine.j
  ava:144)
          at
  java.security.MessageDigest.getInstance(MessageDigest.java:70)
          at GetInstance.main(GetInstance.java:67)
  .
  Stack Trace: N/A
  .
  N/A
  

Local fix

• N/A
  

Problem summary

• The test case in this defect exposes several different behaviors
  between Oracle code and IBM JDK harmony code.
  1. Harmony code does not check if the Spi class is really a
  subclass of XXXSpi.
  2. Oracle checks if a SignatureSpi implementation is a realy Spi
  (faluse if it extends from Signature rather than SignatureSpi)
  3. Oracle Signature.getInstance return the SignatureImpl itself
  if the spi Impl is not a SignatureSpi (same check as 2) but a
  Signature
  

Problem conclusion

• This defect will be fixed in:
  6.0.1 SR7
  6.0.0 SR15
  .
  Patch makes Harmony implementation match Oracle's behavior
  

Temporary fix

• N/A
  

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  JAVA CLASS LIBS

• Fixed component ID

  620700130

Applicable component levels

• R700 PSY

     UP