HTTP Status 500 – Internal Server Error


Type Exception Report

Message An exception occurred processing [bind/enzymeSmiles.jsp] at line [89]

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.apache.jasper.JasperException: An exception occurred processing [bind/enzymeSmiles.jsp] at line [89]

86:      write2disk += "<div id=\"firstrow\"><div>Compound Name</div><div>SMILES String</div></div>";
87:      for (int i = 0; i < count; i++) {
88:        String smilesStr = monomer_smiles[i];
89:        String SMILESStr = URLEncoder.encode(smilesStr);
90:        String linkString    = "<a href=\"/rwd/bind/searchby_smiles.jsp?SearchType=4&submit=Search&smilesStr=" + SMILESStr + "\">";
91:        write2disk += String.format( "<div><div>%s%s</a></div><div>%s</div></div>", linkString, monomer_names[i], smilesStr );
92:      }


Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:593)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:482)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

Root Cause

java.lang.NullPointerException
	java.base/java.net.URLEncoder.encode(Unknown Source)
	java.base/java.net.URLEncoder.encode(Unknown Source)
	java.base/java.net.URLEncoder.encode(Unknown Source)
	org.apache.jsp.bind.enzymeSmiles_jsp._jspService(enzymeSmiles_jsp.java:192)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:444)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat/9.0.8