Troubleshooting the Oracle SOA Suite 11g Infrastructure - Oracle SOA Suite 11g Administrator's Topic - page 297

Infrastructure or composite instance

error—MDSException

The following exception is due to the fact that at runtime an XSD that was being
referred from the MDS was not available:

java.io.IOException: oracle.mds.exception.MDSException: MDS-00054: The file to be loaded oramds:/apps/Fault/Common/XSD/SalesOrderHeader.xsd does not exist.

This actually could either be a coding error or an infrastructure error. Therefore,
further investigation is required. If the soa-mds data source is unavailable, this
error would be attributed to an infrastructure problem. If the data source is avail-
able though, it is likely due to the code referring to a resource that does not exist
in the MDS.

Infrastructure error—BeanInstantiationException

By now you must know that the engine that is responsible to execute composite
instances in your infrastructure is soa-infra , which in itself is a J2EE applic-
ation. The soa-infra application, in some cases, may fail to load in all the
managed servers across a cluster and is partially available due to the following
exception:

Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [oracle.integration.platform.blocks.cluster.CoherenceClusterInterfaceImpl]: Constructor threw exception; nested exception is com.tangosol.net.RequestTimeoutException: Timeout during service start: ServiceInfo(Id=0, Name=Cluster, Type=Cluster

The above issue is due to the fact that the coherence multicast channel in use by
the domain in a clustered mode, is overloaded. The coherence cluster address
for the domains is set to a unique multicast address and port in the setDo-
mainEnv.sh file. To confirm if the multicast channel in use is not overloaded,
use a simple multicast test by following the next set of steps:

export PATH=$MW_HOME/jrockit/jrockit_160_17/bin/
export CLASSPATH=$WL_SERVER/server/lib/weblogic.jar
java utils.MulticastTest -N [managedServerName] -A [multicastHost] -P [multicastPort] -T 10 S 2