thanks… used the wrong mailing list again :(


> On 10. Jul 2018, at 17:57, Alan Bateman <alan.bate...@oracle.com> wrote:
> 
> Forwarding to security-dev.
> 
> On 10/07/2018 17:47, Norman Maurer wrote:
>> Hi all,
>> 
>> I just tried to run netty[1] testsuite with the latest jdk11 EA release (21) 
>> and saw some class-cast-exception with our custom SSLEngine implementation
>> 
>> 
>> Caused by: java.lang.ClassCastException: class 
>> io.netty.handler.ssl.OpenSslEngine cannot be cast to class 
>> sun.security.ssl.SSLEngineImpl (io.netty.handler.ssl.OpenSslEngine is in 
>> unnamed module of loader 'app'; sun.security.ssl.SSLEngineImpl is in module 
>> java.base of loader 'bootstrap')
>>      at 
>> java.base/sun.security.ssl.SSLAlgorithmConstraints.<init>(SSLAlgorithmConstraints.java:93)
>>      at 
>> java.base/sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:270)
>>      at 
>> java.base/sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:141)
>>      at 
>> io.netty.handler.ssl.ReferenceCountedOpenSslClientContext$ExtendedTrustManagerVerifyCallback.verify(ReferenceCountedOpenSslClientContext.java:237)
>>      at 
>> io.netty.handler.ssl.ReferenceCountedOpenSslContext$AbstractCertificateVerifier.verify(ReferenceCountedOpenSslContext.java:621)
>>      ... 27 more
>> 
>> 
>> This change seems to be related to:
>> http://hg.openjdk.java.net/jdk/jdk11/rev/68fa3d4026ea 
>> <http://hg.openjdk.java.net/jdk/jdk11/rev/68fa3d4026ea>
>> 
>> I think you miss an instanceof check here in SSLAlgorithmConstraints before 
>> try to cast to SSLEngineImpl, as otherwise it will be impossible to use 
>> custom implementations of SSLEngine (which we have in netty) with the 
>> default TrustManagerFactory.
>> 
>> Does this sound correct ? Should I open a bug-report ?
>> 
>> Bye
>> Norman
>> 
>> 
>> 
> 

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