java.lang.IllegalArgumentException: Cookie name "; user" is a reserved token

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via Server Fault by Vit Stern
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Cookie name "; user" is a reserved token
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Cookie name "OpenGrok/project" is a reserved token
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Cookie name "e & o" is a reserved token
via Google Groups by Lars Vonk, 4 months ago
Cookie name "Path" is a reserved token
java.lang.IllegalArgumentException: Cookie name "; user" is a reserved token
at javax.servlet.http.Cookie.(Cookie.java:192)
at Acme.Serve.Serve$ServeConnection.addCookie(Serve.java:2812)
at Acme.Serve.Serve$ServeConnection.parseCookies(Serve.java:2787)
at Acme.Serve.Serve$ServeConnection.runServlet(Serve.java:2398)
at Acme.Serve.Serve$ServeConnection.parseRequest(Serve.java:2330)
at Acme.Serve.Serve$ServeConnection.run(Serve.java:2110)
at java.lang.Thread.run(Thread.java:745)

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