You can receive the error shown in the following example when steaming attachments from the SOA web service (WS) binding layer.

java.lang.OutOfMemoryError: Java heap space
        at java.util.Arrays.copyOf(Arrays.java:2271)
        at java.io.ByteArrayOutputStream.grow(ByteArrayOutputStream.java:113)
        at
java.io.ByteArrayOutputStream.ensureCapacity(ByteArrayOutputStream.java:93)
        at
java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:140)
        at

To resolve this error, add the following properties in the composite.xml file for service and reference binding components.

• streamIncomingAttachments="true"

• streamOutgoingAttachments="true"

See the preceding section for information about setting these properties.