OutOfMemoryError in WebSphere Portal

00001ff4 LogAdapter    W   DCSV9410W: Failed to allocate memory: 1103 bytes. Exception is java.lang.OutOfMemoryError
    at com.ibm.rmm.mtl.receiver.MessageStream.gotMessage(MessageStream.java:553)
    at com.ibm.rmm.mtl.receiver.MessageStream.processData(MessageStream.java:1320)
    at com.ibm.rmm.mtl.receiver.MessageStream.onPacket(MessageStream.java:371)
    at com.ibm.rmm.ptl.tchan.receiver.PacketProcessor.run(PacketProcessor.java:973)


Solution:

Java Virtual machine heap size need to be increased:
Steps:
Open Administration Console:  Locate Servers > Application Servers > WebSphere Portal > Server Infrastructure: Java and Process Management > Process Definition > Java Virtual Machine

Increase heap size.
But need to take care about the paging file. In any case paging file should not be generating for portal instance. You can do this by setting a heap size which doesn't not exceed your physical available memory.