<div dir="ltr"><pre>Hello,</pre><pre>I am very new to this.</pre><pre>I am using firefox and SAML tracer to watch the transactions with the idp and sp for my java web app running on tomcat. I can see a successful assertion come back to my sp from the idp, but then when the sp is processing I see the nullPointerException below.</pre><pre> Can you please recommend ways to troubleshoot? and/or suggest possible causes?</pre><pre><span style="font-family:arial,sans-serif">java.lang.NullPointerException</span><br></pre><pre> org.opensaml.xml.signature.SignatureValidator.buildSignature(SignatureValidator.java:92)
org.opensaml.xml.signature.SignatureValidator.validate(SignatureValidator.java:56)
com.lastpass.saml.SAMLClient.validate(SAMLClient.java:171)</pre><pre><br></pre><pre>Ken</pre></div>