500 Servlet Exception

	java.lang.Exception: 发生异常！ORA-04031: unable to allocate 4096 bytes of shared
	memory ("shared pool","begin dbms_lob.read(:1, :2, ...","PL/SQL MPCODE","BAMIMA:
	Bam Buffer")
	
		at alumnus.db.Admin.getTitle(Admin.java:424)
		at _myalumni._index__jsp._jspService(/usr/local/resin/doc/myalumni/index.jsp:229)
		at com.caucho.jsp.JavaPage.service(JavaPage.java:75)
		at com.caucho.jsp.Page.subservice(Page.java:485)
		at com.caucho.server.http.FilterChainPage.doFilter(FilterChainPage.java:182)
		at com.caucho.server.http.Invocation.service(Invocation.java:312)
		at com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:135)
		at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:221)
		at com.caucho.server.http.HttpRequest.handleConnection(HttpRequest.java:163)
		at com.caucho.server.TcpConnection.run(TcpConnection.java:137)
		at java.lang.Thread.run(Thread.java:536)