3252460 - Java instance fails to start with errors: "Input data length not a multiple of blocksize" or "invalid: software version 7.00.000.001 is incompatible with file version 7.50.000.00#" during system copy of SAP NetWeaver 7.50 using SWPM tool.

Target system installation of SAP NetWeaver 7.50 AS Java with SWPM Tool (SAP Note: 1680045) fails in Java start step:

sapinst_dev.log:

...

The step startJava with step key |<...>|ind|ind|ind|ind|0|0|startJava was executed with status ERROR (Last error reported by the step: Instance SAP<SID>/<instance name> reached state UNKNOWN after having state BOOTSTRAP. Giving up).

...

The following error entries are written into

jvm_bootstrap.out, when the AS Java system is freshly installed on the target side:

...

Exception occurred for component [internal/unkown] of type [unkown]
com.sap.engine.bootstrap.SynchronizationException: Cannot read manager  properties from database. Check database consistency
...
----------==[ Caused by: ]==----------
com.sap.engine.lib.config.api.exceptions.ClusterConfigurationException: Cannot retrieve the configuration structure corresponding to manager name LicensingManager.
...
Caused by: com.sap.engine.frame.core.configuration.ConfigurationException: Internal error during the decryption process.
...
Caused by: com.sap.security.core.server.secstorefs.InvalidStateException: Internal error during the decryption process.
 at com.sap.security.core.server.secstorefs.Crypt.decrypt(Crypt.java:859)
 at com.sap.security.core.server.secstorefs.SecStoreFS.decrypt(SecStoreFS.java:3454)
 at com.sap.engine.core.configuration.impl.security.CrypterImpl.decryptBytes(CrypterImpl.java:194)
 ... 21 more
Caused by: javax.crypto.IllegalBlockSizeException: Input data length not a multiple of blocksize.

or this into log_bootstrap, if the key phrase was changed and bootstrap was started afterwards: 

...

com.sap.engine.frame.core.configuration.ConfigurationException: Error while connecting to DB.

...

Caused by: com.sap.security.core.server.secstorefs.FileInvalidException: File "/usr/sap/SAP<SID>/SYS/global/security/data/SecStore.properties" is invalid: software version 7.00.000.001 is incompatible with file version 7.50.000.005.

           at com.sap.security.core.server.secstorefs.SecStoreFS.checkCompatibility(SecStoreFS.java:1933)

            at com.sap.security.core.server.secstorefs.SecStoreFS.openExistingStore(SecStoreFS.java:2008)

            at com.sap.sql.connect.OpenSQLConnectInfo.getStore(OpenSQLConnectInfo.java:793)

            at com.sap.sql.connect.OpenSQLConnectInfo.lookup(OpenSQLConnectInfo.java:784)

            at com.sap.sql.connect.OpenSQLDataSourceImpl.setDataSourceName(OpenSQLDataSourceImpl.java:130)

            ... 14 more 

• System copy of SAP NetWeaver 7.50 AS Java with source SP24 and higher.
• DSS split of SAP NetWeaver 7.50 AS Java with source SP24 and higher.
• Copying the Database Only (all variants) of SAP NetWeaver 7.50 AS Java with source SP24 and higher.

SWPM, System copy, Java start, Internal error during the decryption process, 7.00.000.001, is incompatible with file version, 7.50.000.005. , KBA , BC-INS-MIG , OS/DB Migrations with SWPM and DB refresh , BC-JAS-SEC , Security, User Management , BC-INS-JCI , Java component inst. / jload jmigmon, jsizecheck , Problem