<div dir="ltr">Hi,<br><div><br></div><div>Can you please confirm if OpenSAML <span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0);font-family:Menlo;font-size:11px">4.0.1 is supported with Java 21 (OpenJDK) , we are trying to upgrade from JDK 17 to JDK 21 and seeing issue with </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0);font-family:Menlo;font-size:11px">java.lang.NoClassDefFoundError: javax/servlet/ServletOutputStream when invoking the </span><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(38,127,153)">org</span><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(0,0,0)">.</span><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(38,127,153)">opensaml</span><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(0,0,0)">.</span><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(38,127,153)">saml</span><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(0,0,0)">.</span><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(38,127,153)">saml2</span><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(0,0,0)">.</span><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(38,127,153)">binding</span><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(0,0,0)">.</span><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(38,127,153)">encoding</span><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(0,0,0)">.</span><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(38,127,153)">impl</span><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(0,0,0)">.</span><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(38,127,153)">HTTPPostEncoder constructor.</span></div><div><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(38,127,153)"><br></span></div><div><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(38,127,153)">Thanks</span></div><div><span style="font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;white-space:pre;color:rgb(38,127,153)">Rohit</span></div>











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