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POError implementing Jasypt with Hibernate 3 and Struts 2
 

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  1. POError implementing Jasypt with Hibernate 3 and Struts 2
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    <p>I'm trying to encrypt passwords in a webapp using Jasypt with hibernate 3. I followed the instructions on the <a href="http://www.jasypt.org/hibernate3.html" rel="nofollow noreferrer">jasypt website</a>.</p> <p>Here's my hibernate mapping :</p> <pre><code>&lt;hibernate-mapping package="webapp.entity"&gt; &lt;typedef name="encrypted" class="org.jasypt.hibernate.type.EncryptedStringType"&gt; &lt;param name="encryptorRegisteredName"&gt;strongHibernateStringEncryptor&lt;/param&gt; &lt;/typedef&gt; &lt;class name="User" table="Users"&gt; &lt;id name="name" column="name" type="string"&gt; &lt;/id&gt; &lt;property name="passwd" column="passwd" type="encrypted" not-null="true"&gt; &lt;/property&gt; &lt;/class&gt; &lt;/hibernate-mapping&gt; </code></pre> <p>Now I register the encryptor each time I open a session with hibernate :</p> <pre><code>public void initHibSession() { HibernateUtil.buildSessionFactory(); hib_session = HibernateUtil.getSessionFactory().getCurrentSession(); if (hib_session != null &amp;&amp; hib_session.isOpen()) { hib_session.close(); hib_session = HibernateUtil.getSessionFactory().openSession(); } hib_session.beginTransaction(); StandardPBEStringEncryptor strongEncryptor = new StandardPBEStringEncryptor(); strongEncryptor.setPassword("aStrongPassword"); HibernatePBEEncryptorRegistry registry = HibernatePBEEncryptorRegistry.getInstance(); registry.registerPBEStringEncryptor("strongHibernateStringEncryptor", strongEncryptor); } </code></pre> <p>Then, each time I try to access a user, this exception is thrown :</p> <pre><code>FreeMarker template error! Method public java.lang.String org.apache.commons.lang.exception.NestableRuntimeException.getMessage(int) threw an exception when invoked on org.jasypt.exceptions.EncryptionInitializationException: No string encryptor registered for hibernate with name "strongHibernateEncryptor" The problematic instruction: ---------- ==&amp;gt; ${msgs[0][0]} [on line 76, column 25 in org/apache/struts2/dispatcher/error.ftl] ---------- Java backtrace for programmers: ---------- freemarker.template.TemplateModelException: Method public java.lang.String org.apache.commons.lang.exception.NestableRuntimeException.getMessage(int) threw an exception when invoked on org.jasypt.exceptions.EncryptionInitializationException: No string encryptor registered for hibernate with name "strongHibernateEncryptor" at freemarker.ext.beans.SimpleMethodModel.exec(SimpleMethodModel.java:130) at freemarker.ext.beans.SimpleMethodModel.get(SimpleMethodModel.java:138) at freemarker.core.DynamicKeyName.dealWithNumericalKey(DynamicKeyName.java:111) at freemarker.core.DynamicKeyName._getAsTemplateModel(DynamicKeyName.java:90) at freemarker.core.Expression.getAsTemplateModel(Expression.java:89) at freemarker.core.Expression.getStringValue(Expression.java:93) at freemarker.core.DollarVariable.accept(DollarVariable.java:76) at freemarker.core.Environment.visit(Environment.java:210) at freemarker.core.MixedContent.accept(MixedContent.java:92) at freemarker.core.Environment.visit(Environment.java:210) at freemarker.core.IfBlock.accept(IfBlock.java:82) at freemarker.core.Environment.visit(Environment.java:210) at freemarker.core.IfBlock.accept(IfBlock.java:82) at freemarker.core.Environment.visit(Environment.java:210) at freemarker.core.MixedContent.accept(MixedContent.java:92) at freemarker.core.Environment.visit(Environment.java:210) at freemarker.core.Environment.process(Environment.java:190) at freemarker.template.Template.process(Template.java:237) at org.apache.struts2.dispatcher.Dispatcher.sendError(Dispatcher.java:748) at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:505) at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77) at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) at java.lang.Thread.run(Thread.java:636) Caused by: java.lang.NullPointerException at freemarker.ext.beans.SimpleMemberModel.unwrapArguments(SimpleMemberModel.java:85) at freemarker.ext.beans.SimpleMethodModel.exec(SimpleMethodModel.java:106) ... 33 more </code></pre> <p>Anybody have an idea for implementing jasypt with Hibernate 3 and Struts 2 or can help me with this error ? (I have to use jasypt)</p>
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