Bruno Baptista created AMQ-7149:
-----------------------------------
Summary: activemq-client using HTTP transport requires Stomp
Key: AMQ-7149
URL: https://issues.apache.org/jira/browse/AMQ-7149
Project: ActiveMQ
Issue Type: Bug
Components: JMS client, stomp, Transport
Affects Versions: 5.15.8, 5.14.6, 5.16.0, 5.15.9
Reporter: Bruno Baptista
Both the Stomp and HTTP connectors use the XStream library for serializing and
deserializing objects on the wire (to/from XML). The XStreamSupport class sets
up XStream with some configuration on what classes can/can't be deserialized to
prevent deserialization vulnerabilities.
In order to avoid duplicating that code, it was placed in the stomp module, and
then referenced in the http module. This was introduced around 5.13. This can
cause a client side class not found exception when using simple http
communication:
{code:java}
"Exception in thread "ActiveMQ Transport: HTTP Reader http://localhost:9090/";
java.lang.NoClassDefFoundError:
org/apache/activemq/transport/stomp/XStreamSupport
at
org.apache.activemq.transport.xstream.XStreamWireFormat.createXStream(XStreamWireFormat.java:127)
at
org.apache.activemq.transport.xstream.XStreamWireFormat.getXStream(XStreamWireFormat.java:113)
at
org.apache.activemq.transport.xstream.XStreamWireFormat.unmarshalText(XStreamWireFormat.java:66)
at
org.apache.activemq.transport.util.TextWireFormat.unmarshal(TextWireFormat.java:56)
at
org.apache.activemq.transport.http.HttpClientTransport.run(HttpClientTransport.java:199)
..."
{code}
The proposed patch places the XStreamSupport class in activemq-client, thus
correcting this issue without requiring the inclusion of the optional
activemq-stomp library in the client.
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