tomcat - "The type java.util.Map$Entry cannot be resolved" (tomcat6 + JDK7) -


i've jsp app gives me error:

the type java.util.map$entry cannot resolved. indirectly referenced required .class files

stackoverflow full of post error, all of them solve compiling .java files using jdk7, plus using tomcat same version (i mean, below jdk8 seems problem, because ide version , tomcat versions doesn't support it).

the problem i've built app (.java files) using jdk 1.7.0_79, plus i've tomcat 6 server using same one.

so there's no jdk 8 anywhere... screenshots data:

my jvm directory:

enter image description here

error stacktrace:

enter image description here

tomcat process (running using jdk7):

enter image description here

javac version used compile:

enter image description here

any idea why still error?

thank in advance

run tomcat java 6 or upgrade tomcat 7 , make sure don't have old pre-java 5/pre-generics library on classpath.

why error? somewhere in jsp code (not code, mind), dependency on java.util.map.entry. in code jasper generates jsp.

it's not direct dependency; rather code (or java code generated jsp) needs else needs java.util.map.entry

but interface has changed in way. usually, that's java 8 because of new static helper methods added: name of class same (which makes error confusing) api has changed , code can't find (or found didn't expect).

a similar problem can happen when try compile against pre-generics class (even though should work).

even worse, import java.util.map in jsp works. it's existing bytecode somewhere else causes trouble.

[edit]

in /web-inf/lib/ folder i've: commons-fileupload, commons-io, poi , rt (may 1 problem?)

yes :-) rt.jar java runtime. contains java.* , in case, version of java.util.map doesn't match 1 java vm.

remote , should work.


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