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POMule Caching Strategy using Mongo DB
 

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  1. POMule Caching Strategy using Mongo DB
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    <p>Is it possible to use the org.mule.module.mongo.MongoObjectStore as a cache strategy within a flow? </p> <p>I have attempted with the following but I get the error </p> <blockquote> <p>null (java.lang.NullPointerException)<br> org.mule.module.mongo.MongoObjectStore:382 (null).</p> </blockquote> <pre><code>&lt;mule xmlns:jdbc-ee="http://www.mulesoft.org/schema/mule/ee/jdbc" xmlns:mongo="http://www.mulesoft.org/schema/mule/mongo" xmlns:ee="http://www.mulesoft.org/schema/mule/ee/core" xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:http="http://www.mulesoft.org/schema/mule/http" xmlns:doc="http://www.mulesoft.org/schema/mule/documentation" xmlns:spring="http://www.springframework.org/schema/beans" xmlns:core="http://www.mulesoft.org/schema/mule/core" version="EE-3.4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd http://www.mulesoft.org/schema/mule/ee/core http://www.mulesoft.org/schema/mule/ee/core/current/mule-ee.xsd http://www.mulesoft.org/schema/mule/ee/jdbc http://www.mulesoft.org/schema/mule/ee/jdbc/current/mule-jdbc-ee.xsd http://www.mulesoft.org/schema/mule/mongo http://www.mulesoft.org/schema/mule/mongo/2.0/mule-mongo.xsd"&gt; &lt;ee:object-store-caching-strategy name="Mongo_Caching_Strategy" doc:name="Caching Strategy"&gt; &lt;custom-object-store class="org.mule.module.mongo.MongoObjectStore"&gt; &lt;spring:property name="host" value="localhost"/&gt; &lt;spring:property name="port" value="27017"/&gt; &lt;spring:property name="database" value="test"/&gt; &lt;/custom-object-store&gt; &lt;/ee:object-store-caching-strategy&gt; &lt;flow name="htmlCacheFlow" doc:name="htmlCacheFlow"&gt; &lt;http:inbound-endpoint exchange-pattern="request-response" host="localhost" port="8084" path="cache" doc:name="HTTP"/&gt; &lt;expression-transformer expression="#[payload.substring(payload.lastIndexOf('/') + 1)]" doc:name="Expression"/&gt; &lt;ee:cache doc:name="Cache" cachingStrategy-ref="Mongo_Caching_Strategy" &gt; &lt;logger message="getting item from db for key #[payload]" level="INFO" doc:name="Logger"/&gt; &lt;expression-transformer expression="#[payload + 'asd']" doc:name="Expression"/&gt; &lt;/ee:cache&gt; &lt;/flow&gt; &lt;/mule&gt; </code></pre> <p>Could anyone provide an example on how to configure it?</p>
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