Hi All

While upgrading the PEGA product from 7.2.2 to 7.3.3.

while migrating rules schema to the temporary rules schema I am encountering the below error.

Exception in thread "main" java.lang.RuntimeException: Error during execution of source on platform oracledate using schemas RULEADM, DATAADM
[java] at com.pega.pegarules.data.ddl.SchemaGenerator.main(SchemaGenerator.java:1654)
[java] Caused by: java.sql.SQLRecoverableException: IO Error: Connection reset
[java] at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:682)
[java] at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:715)
[java] at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:385)
[java] at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:30)
[java] at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:564)
[java] at com.pega.pegarules.util.deploy.JDBCUtils$ClassLoaderDriverProxy.connect(JDBCUtils.java:56)
[java] at java.sql.DriverManager.getConnection(DriverManager.java:571)
[java] at java.sql.DriverManager.getConnection(DriverManager.java:187)
[java] at com.pega.pegarules.data.ddl.SchemaGenerator.getDBConnection(SchemaGenerator.java:1322)
[java] at com.pega.pegarules.data.ddl.SchemaGenerator.getConnectionFromArguments(SchemaGenerator.java:2259)
[java] at com.pega.pegarules.data.ddl.SchemaGenerator.main(SchemaGenerator.java:1591)
[java] Caused by: java.net.SocketException: Connection reset
[java] at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:118)
[java] at java.net.SocketOutputStream.write(SocketOutputStream.java:159)
[java] at oracle.net.ns.DataPacket.send(DataPacket.java:209)
[java] at oracle.net.ns.NetOutputStream.flush(NetOutputStream.java:215)
[java] at oracle.net.ns.NetInputStream.getNextPacket(NetInputStream.java:302)
[java] at oracle.net.ns.NetInputStream.read(NetInputStream.java:249)
[java] at oracle.net.ns.NetInputStream.read(NetInputStream.java:171)
[java] at oracle.net.ns.NetInputStream.read(NetInputStream.java:89)
[java] at oracle.jdbc.driver.T4CSocketInputStreamWrapper.readNextPacket(T4CSocketInputStreamWrapper.java:123)
[java] at oracle.jdbc.driver.T4CSocketInputStreamWrapper.read(T4CSocketInputStreamWrapper.java:79)
[java] at oracle.jdbc.driver.T4CMAREngineStream.unmarshalUB1(T4CMAREngineStream.java:426)
[java] at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:390)
[java] at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:249)
[java] at oracle.jdbc.driver.T4CTTIoauthenticate.doOSESSKEY(T4CTTIoauthenticate.java:439)
[java] at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:580)

Please help me in fixing this issue

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