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POstruts 1 throws org.hibernate.TransientObjectException
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12198531
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2012-08-30T13:54:49.420
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2012-08-30T15:07:35.773
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I am trying to add activity auditing to my struts 1 application. I change an object and then I want to create a row in my auditing table that refers to the changed object. I am getting TransientObjectException because I've changed the referent object. I tried flushing the session, but that didn't solve it and I'm not sure why. <pre><code>merchant.setTrusted(false); merchantDAO.saveOrUpdate(merchant); // trying to resolve org.hibernate.PropertyValueException: not-null property references a null or transient value: com.rc.model.ActivityAudit.user SessionManagerFactory.getSessionManager(DatasourceType.M).getSession().flush(); ActivityAuditManager.addActivityAudit("Set merchant to untrusted", merchant, userAccount); </code></pre> where ActivityAuditManager.addActivityAudit() is: <pre><code>public static void addActivityAudit(String action, Merchant merchant, IMerchantUserAccount user) { ActivityAudit activityAudit = new ActivityAudit(merchant, action, user, new Date()); activityAuditDAO.saveOrUpdate(activityAudit); } </code></pre> The exception I'm getting is: <pre><code>org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flushing </code></pre> but as far as I can tell I am. ETA mapping: <pre><code><class name="com.rc.model.ActivityAudit" table="activity_audit" discriminator-value="0"> ... <many-to-one name="merchant" class="com.rc.model.Merchant" column="merchantid" unique="false" not-null="true" cascade="none"/> ... </code></pre> I tried <code>cascade="all"</code> and <code>cascade="save-update"</code> and neither improves the situation. ETA: See my own answer, below, but <code>cascade="save-update"</code> actually did fix it.
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<hibernate><struts-1>
Title
struts 1 throws org.hibernate.TransientObjectException
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1. PO
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1. USbarclay
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