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List:       synapse-dev
Subject:    [jira] Created: (SYNAPSE-437) Initialize Inline Fault Sequences for
From:       "Lucas Moten (JIRA)" <jira () apache ! org>
Date:       2008-08-26 14:36:44
Message-ID: 125030120.1219761404467.JavaMail.jira () brutus
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Initialize Inline Fault Sequences for Proxy Targets
---------------------------------------------------

                 Key: SYNAPSE-437
                 URL: https://issues.apache.org/jira/browse/SYNAPSE-437
             Project: Synapse
          Issue Type: Bug
          Components: Core, Proxy Services
            Reporter: Lucas Moten
            Priority: Minor
         Attachments: SynapseConfiguration_Init_TargetInlineFaultSequence.txt

When synapse is initialized, target inline in and out sequences are initialized for \
proxies.  Inline fault sequences that contain mediators requiring initialization will \
fail with a null pointer exception because they are not initialized.

The inline fault sequences appear to be initialized only from the ProxyService start \
method.  This is turn does not appear to be called by synapse core, but is utilized \
by a separate, but related project, WSO2 ESB admin interface in the ProxyServiceAdmin \
class (startProxyService and saveProxyService).  When synapse core is started, all \
proxies are running by default, initialized via SynapseConfiguration.  Those proxies \
that are explicitly configured with startOnLoad attribute set to false are then \
stopped.  

Workaround: Use named sequences for proxies which are initialized when synapse is \
started.  Named sequences are initialized independently of proxy targets from the \
SynapseConfiguration init method.  Most samples available with synapse make use of \
named sequences.

Recommended fix: Initialize target inline fault sequences for proxies in Synapse \
Configuration

Index: modules/core/src/main/java/org/apache/synapse/config/SynapseConfiguration.java
===================================================================
--- modules/core/src/main/java/org/apache/synapse/config/SynapseConfiguration.java	(revision \
                688865)
+++ modules/core/src/main/java/org/apache/synapse/config/SynapseConfiguration.java	(working \
copy) @@ -825,6 +825,10 @@
                 if (p.getTargetInLineOutSequence() != null) {
                     p.getTargetInLineOutSequence().init(se);
                 }
+                
+                if (p.getTargetInLineFaultSequence() != null) {
+                	p.getTargetInLineFaultSequence().init(se);
+                }
         }
 
         // initialize managed mediators

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