I created a blank excel document (.xlsx) and changed the document classification to Restricted (Home-->Sensitivity-->Restricted) and tried to attach to Pega Case (v23.1.1 in PegaCloud), the pega crashes. Nothing is getting traced and getting the java.io.EOFException in the logs. Did anyone experience the same? If you know the root cause, can you please share?

Here is the stack trace:

java.io.EOFException            at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.fillReadBuffer(NioEndpoint.java:1320) at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.read(NioEndpoint.java:1231) at org.apache.coyote.http11.Http11InputBuffer.fill(Http11InputBuffer.java:793) at org.apache.coyote.http11.Http11InputBuffer.access$400(Http11InputBuffer.java:41) at org.apache.coyote.http11.Http11InputBuffer$SocketInputBuffer.doRead(Http11InputBuffer.java:1199) at org.apache.coyote.http11.filters.IdentityInputFilter.doRead(IdentityInputFilter.java:96) at org.apache.coyote.http11.Http11InputBuffer.doRead(Http11InputBuffer.java:244) at org.apache.coyote.Request.doRead(Request.java:626) at org.apache.catalina.connector.InputBuffer.realReadBytes(InputBuffer.java:303) at (:)