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Mohan,

On 11/16/16 5:01 PM, Mohan Kumar wrote:
> I'm using Tomcat 6.0.29 version with Java 1.6.0_45 on Windows
> server 2008 and started noticing SSL related information in
> Catalina logs recently.
>> From the logs it looks like SSL is getting enabled for JDBC. Any
>> help to
> understand why the below information shows up in catalina logs
> would be much appreciated? There is nothing that got changed in the
> JDBC datasource configuration recently and the application uses SQL
> server 2008.
> 
>> From catalina.log
> 
> Oct 31, 2016 10:18:26 AM com.microsoft.sqlserver.jdbc.TDSChannel
> enableSSL INFO: java.security path: C:\Program
> Files\Java\jre6\lib\security Security providers: [SUN version 1.6,
> SunRsaSign version 1.5, SunJSSE version 1.6, SunJCE version 1.6,
> SunJGSS version 1.0, SunSASL version 1.5, XMLDSig version 1.0,
> SunPCSC version 1.6, SunMSCAPI version 1.6] SSLContext provider
> info: Sun JSSE provider(PKCS12, SunX509 key/trust factories, SSLv3,
> TLSv1) SSLContext provider services: [SunJSSE: KeyFactory.RSA ->
> sun.security.rsa.RSAKeyFactory aliases: [1.2.840.113549.1.1,
> OID.1.2.840.113549.1.1] , SunJSSE: KeyPairGenerator.RSA ->
> sun.security.rsa.RSAKeyPairGenerator aliases: [1.2.840.113549.1.1,
> OID.1.2.840.113549.1.1] , SunJSSE: Signature.MD2withRSA ->
> sun.security.rsa.RSASignature$MD2withRSA aliases:
> [1.2.840.113549.1.1.2, OID.1.2.840.113549.1.1.2] , SunJSSE:
> Signature.MD5withRSA -> sun.security.rsa.RSASignature$MD5withRSA 
> aliases: [1.2.840.113549.1.1.4, OID.1.2.840.113549.1.1.4] ,
> SunJSSE: Signature.SHA1withRSA ->
> sun.security.rsa.RSASignature$SHA1withRSA aliases:
> [1.2.840.113549.1.1.5, OID.1.2.840.113549.1.1.5, 1.3.14.3.2.29,
> OID.1.3.14.3.2.29] , SunJSSE: Signature.MD5andSHA1withRSA -> 
> com.sun.net.ssl.internal.ssl.RSASignature , SunJSSE:
> KeyManagerFactory.SunX509 -> 
> com.sun.net.ssl.internal.ssl.KeyManagerFactoryImpl$SunX509 ,
> SunJSSE: KeyManagerFactory.NewSunX509 -> 
> com.sun.net.ssl.internal.ssl.KeyManagerFactoryImpl$X509 , SunJSSE:
> TrustManagerFactory.SunX509 -> 
> com.sun.net.ssl.internal.ssl.TrustManagerFactoryImpl$SimpleFactory 
> , SunJSSE: TrustManagerFactory.PKIX -> 
> com.sun.net.ssl.internal.ssl.TrustManagerFactoryImpl$PKIXFactory 
> aliases: [SunPKIX, X509, X.509] , SunJSSE: SSLContext.SSL ->
> com.sun.net.ssl.internal.ssl.SSLContextImpl , SunJSSE:
> SSLContext.SSLv3 -> com.sun.net.ssl.internal.ssl.SSLContextImpl ,
> SunJSSE: SSLContext.TLS ->
> com.sun.net.ssl.internal.ssl.SSLContextImpl , SunJSSE:
> SSLContext.TLSv1 -> com.sun.net.ssl.internal.ssl.SSLContextImpl ,
> SunJSSE: SSLContext.Default -> 
> com.sun.net.ssl.internal.ssl.DefaultSSLContextImpl , SunJSSE:
> KeyStore.PKCS12 -> com.sun.net.ssl.internal.pkcs12.PKCS12KeyStore 
> ] java.ext.dirs: C:\Program
> Files\Java\jre6\lib\ext;C:\Windows\Sun\Java\lib\ext
> 
> And sometimes, there are warnings in the catalina logs about DB
> connection pool initialization and the application would not be
> able to connect to databases until another Tomcat restart.
> 
> Oct 31, 2016 10:18:26 AM org.apache.naming.NamingContext lookup 
> WARNING: Unexpected exception resolving reference 
> org.apache.tomcat.dbcp.dbcp.SQLNestedException: Error preloading
> the connection pool at
> org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicData
Source.java:1398)
>
> 
at
org.apache.tomcat.dbcp.dbcp.BasicDataSource.getLogWriter(BasicDataSource
.java:1098)
> at
> org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory.createDataSource(Ba
sicDataSourceFactory.java:350)
>
> 
at
org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory.getObjectInstance(Bas
icDataSourceFactory.java:156)
> at
> org.moss.jdj.dbcp.EncryptedDataSourceFactory.getObjectInstance(Encrypt
edDataSourceFactory.java:25)
>
> 
............
> at java.lang.reflect.Method.invoke(Unknown Source) at
> org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289) at
> org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) 
> Caused by: com.microsoft.sqlserver.jdbc.SQLServerException: The
> driver could not establish a secure connection to SQL Server by
> using Secure Sockets Layer (SSL) encryption. Error: "SQL Server
> returned an incomplete response. The connection has been closed.". 
> at
> com.microsoft.sqlserver.jdbc.SQLServerConnection.terminate(SQLServerCo
nnection.java:1352)
>
> 
at com.microsoft.sqlserver.jdbc.TDSChannel.enableSSL(IOBuffer.java:1533)
> at
> com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServ
erConnection.java:1042)
>
> 
at
com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnecti
on.java:817)
> at
> com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConn
ection.java:700)
>
> 
at
com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.jav
a:842)
> at
> org.apache.tomcat.dbcp.dbcp.DriverConnectionFactory.createConnection(D
riverConnectionFactory.java:38)
>
> 
at
org.apache.tomcat.dbcp.dbcp.PoolableConnectionFactory.makeObject(Poolabl
eConnectionFactory.java:582)
> at
> org.apache.tomcat.dbcp.pool.impl.GenericObjectPool.addObject(GenericOb
jectPool.java:1617)
>
> 
at
org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSo
urce.java:1395)
> ... 37 more Caused by: java.io.IOException: SQL Server returned an
> incomplete response. The connection has been closed. at
> com.microsoft.sqlserver.jdbc.TDSChannel$SSLHandshakeInputStream.ensure
SSLPayload(IOBuffer.java:607)
>
> 
at
com.microsoft.sqlserver.jdbc.TDSChannel$SSLHandshakeInputStream.readInte
rnal(IOBuffer.java:664)
> at
> com.microsoft.sqlserver.jdbc.TDSChannel$SSLHandshakeInputStream.read(I
OBuffer.java:656)
>
> 
at
com.microsoft.sqlserver.jdbc.TDSChannel$ProxyInputStream.readInternal(IO
Buffer.java:851)
> at
> com.microsoft.sqlserver.jdbc.TDSChannel$ProxyInputStream.read(IOBuffer
.java:839)
>
> 
at com.sun.net.ssl.internal.ssl.InputRecord.readFully(Unknown Source)
> at com.sun.net.ssl.internal.ssl.InputRecord.read(Unknown Source) at
> com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(Unknown
> Source) at
> com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(Unk
nown
>
> 
Source)
> at
> com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(Unknown
> Source) at
> com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(Unknown
> Source) at
> com.microsoft.sqlserver.jdbc.TDSChannel.enableSSL(IOBuffer.java:1483)
>
> 
... 45 more

Are you asking why you are getting those messages in the log file, or
asking for help in correcting the problems that have caused the
messages in the first place?

- -chris
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