3487529 - ADS JAVA hangs after upgrade to SPS28 and higher

After an SPS update of AS JAVA to newer versions .. SAML, PDF printing in ADS JAVA server is affected !

Thread 'Timeout Event Processor, id [117], invocation [3160]', process 'server1', index '166'
"Timeout Event Processor, id [117], invocation [3160]" #89 prio=5 os_prio=0 cpu=6840.00 [reset 0.00] ms elapsed=164893.80 [reset 440.15] s allocated=478267656 B (456.11 MB) [reset 843400 B (823.63 KB)] defined_classes=308
io= file i/o: 343179277/227313380 B, net i/o: 2363099/5059267 B, files opened:28, socks opened:-4  [reset file i/o: 0/0 B, net i/o: 261/67 B, files opened:0, socks opened:0 ] 
tid=0x00007f5930f46000 nid=0x1c8f / 7311  pthread-id=140020510754560 in Object.wait()   [_thread_blocked (_at_safepoint), stack(0x00007f5910ae0000,0x00007f5910ce1000)] [0x00007f5910cdf000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
    at java.lang.Object.wait(J)V(Native Method)
    - waiting on <0x0000000748cbac28> (a com.sap.engine.core.configuration.impl.persistence.rdbms.DBConnectionPoolImpl)
    at com.sap.engine.core.configuration.impl.persistence.rdbms.DBConnectionPoolImpl.waitForConnection()V(DBConnectionPoolImpl.java:244)

In Default traces, following entries can be seen :

Error#com.sap.engine.services.wssec.srt.protocols.ProviderSecurityProtocol#
com.sap.ASJ.wssec.020646#BC-JAS-SEC-WSS#tc~sec~wssec~service#C0000A02013A00F50000000200000648#9332850000000005#com.adobe/AdobeDocumentServices#com.sap.engine.services.wssec.srt.protocols.ProviderSecurityProtocol#Guest#0#FC2A5BDB312511EF97300000008E6872#fc2a5bdb312511ef97300000008e6872#0#Thread[HTTP Worker [@1846652922],5,Dedicated_Application_Thread]#Plain#
Error reading SAML configuration data: <null>#

Error#com.sap.engine.services.wssec.srt.protocols.ProviderSecurityProtocol#
#BC-JAS-SEC-WSS#tc~sec~wssec~service#C0000A02013A00FC0000000000000648#9332850000000005#com.adobe/AdobeDocumentServices#com.sap.engine.services.wssec.srt.protocols.ProviderSecurityProtocol#Guest#0#FE79D926312511EFCBA80000008E6872#fe79d926312511efcba80000008e6872#0#Thread[HTTP Worker [@932335529],5,Dedicated_Application_Thread]#Plain#
Error reading SAML configuration data: null
[EXCEPTION]
com.sap.esi.esp.lib.mm.config.exceptions.TechnicalException
    at com.sap.esi.esp.service.server.storage.BinaryPersistentUtilImpl.readSerializationEntry(BinaryPersistentUtilImpl.java:186)
    at com.sap.esi.esp.service.server.storage.BinaryPersistentHelperImpl.readSAML(BinaryPersistentHelperImpl.java:87)
    at com.sap.esi.esp.service.server.SAMLModifyManagerImpl.readSAML(SAMLModifyManagerImpl.java:46)
    at com.sap.esi.esp.service.server.SAMLModifyManagerImpl.<init>(SAMLModifyManagerImpl.java:26)
    at com.sap.esi.esp.service.server.SAMLConfigManagerImpl.getSAMLModifyManager(SAMLConfigManagerImpl.java:77)
    at com.sap.esi.esp.service.server.SAMLConfigManagerImpl.retrieveSAMLEntities(SAMLConfigManagerImpl.java:71)
    at com.sap.engine.interfaces.webservices.admin.saml.SAMLConfigManager.retrieveSAMLIssuers(SAMLConfigManager.java:39)
    at com.sap.engine.services.wssec.srt.protocols.ProviderSecurityProtocol.getSAMLAcceptancedIssuers(ProviderSecurityProtocol.java:1120)

Caused by: java.io.EOFException

        at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2855)

        at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:3330)

        at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:939)

        at java.io.ObjectInputStream.<init>(ObjectInputStream.java:401)

        at com.sap.esi.esp.service.server.storage.BinaryPersistentUtilImpl.readSerializationEntry(BinaryPersistentUtilImpl.java:167)

Netweaver AS JAVA 7.5 latest versions

KBA , BC-JAS-COR , Enterprise Runtime, Core J2EE Framework , Problem