https://issues.apache.org/bugzilla/show_bug.cgi?id=56010
Bug ID: 56010
Summary: JspFactory.getPageContext with
JspWriter.DEFAULT_BUFFER throws
IllegalArgumentException
Product: Tomcat 7
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Jasper
Assignee: dev@tomcat.apache.org
Reporter: bluewolf.ch...@gmail.com
When a servlet calls JspFactory.getPageContext() with JspWriter.DEFAULT_BUFFER,
Tomcat Japser throws IllegalArgumentException.
PageContext pageContext = JspFactory.getDefaultFactory().getPageContext(this,
req, resp, null, false, JspWriter.DEFAULT_BUFFER, true);
java.lang.IllegalArgumentException: Buffer size <= 0
org.apache.jasper.runtime.JspWriterImpl.<init>(JspWriterImpl.java:81)
org.apache.jasper.runtime.PageContextImpl._initialize(PageContextImpl.java:154)
org.apache.jasper.runtime.PageContextImpl.initialize(PageContextImpl.java:125)
org.apache.jasper.runtime.JspFactoryImpl.internalGetPageContext(JspFactoryImpl.java:112)
org.apache.jasper.runtime.JspFactoryImpl.getPageContext(JspFactoryImpl.java:65)
dvt.jsp.jaspertest.JspFactoryTestServlet.doGet(JspFactoryTestServlet.java:21)
javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
Based on the description of JspFactory.getPageContext(), if buffer size is
JspWriter.DEFAULT_BUFFER(-1), PageContext must treat it as implementation
default, which in case is
org.apache.jasper.Constants#DEFAULT_BUFFER_SIZE(8192).
buffer - size of buffer in bytes, JspWriter.NO_BUFFER if no buffer,
JspWriter.DEFAULT_BUFFER if implementation default.
from
http://docs.oracle.com/javaee/7/api/javax/servlet/jsp/JspFactory.html#getPageContext(javax.servlet.Servlet,
javax.servlet.ServletRequest, javax.servlet.ServletResponse, java.lang.String,
boolean, int, boolean)
Note that -Dorg.apache.jasper.runtime.JspFactoryImpl.USE_POOL=false should be
specified.
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