NumberFormatException on handle-pprint-fn

[TimoFreiberg]

Expected behavior

No exceptions when editing my buffer

Actual behavior

When moving my cursor over a symbol defined in the same let-block, I get a NumberFormatException popup

Steps to reproduce the problem

Load this file into CIDER, move cursor to 8:25 (onto children). I get the following exception popup:

1. Unhandled java.lang.NumberFormatException
   null

              Integer.java:  614  java.lang.Integer/parseInt
              Integer.java:  770  java.lang.Integer/parseInt
                  java.clj:   81  cider.nrepl.middleware.util.java/javadoc-url
                  java.clj:   72  cider.nrepl.middleware.util.java/javadoc-url
                  java.clj:  232  cider.nrepl.middleware.util.java/member-info
                  java.clj:  209  cider.nrepl.middleware.util.java/member-info
                  java.clj:  262  cider.nrepl.middleware.util.java/resolve-member/fn
                  core.clj: 2646  clojure.core/map/fn
              LazySeq.java:   40  clojure.lang.LazySeq/sval
              LazySeq.java:   49  clojure.lang.LazySeq/seq
                   RT.java:  521  clojure.lang.RT/seq
                  core.clj:  137  clojure.core/seq
                  core.clj: 2700  clojure.core/filter/fn
              LazySeq.java:   40  clojure.lang.LazySeq/sval
              LazySeq.java:   56  clojure.lang.LazySeq/seq
                   RT.java:  521  clojure.lang.RT/seq
                   RT.java:  938  clojure.lang.RT/nthFrom
                   RT.java:  897  clojure.lang.RT/nth
                  core.clj: 4844  clojure.core/distinct/step/fn/fn
                  core.clj: 4844  clojure.core/distinct/step/fn
              LazySeq.java:   40  clojure.lang.LazySeq/sval
              LazySeq.java:   49  clojure.lang.LazySeq/seq
                   RT.java:  521  clojure.lang.RT/seq
                  core.clj:  137  clojure.core/seq
                  core.clj:  137  clojure.core/seq
                  java.clj:  283  cider.nrepl.middleware.util.java/resolve-symbol
                  java.clj:  266  cider.nrepl.middleware.util.java/resolve-symbol
                  info.clj:   76  cider.nrepl.middleware.info/info-clj
                  info.clj:   64  cider.nrepl.middleware.info/info-clj
                  info.clj:  113  cider.nrepl.middleware.info/info
                  info.clj:  108  cider.nrepl.middleware.info/info
                  info.clj:  259  cider.nrepl.middleware.info/eldoc-reply
                  info.clj:  257  cider.nrepl.middleware.info/eldoc-reply
        error_handling.clj:  156  cider.nrepl.middleware.util.error-handling/eval8704/fn
              MultiFn.java:  233  clojure.lang.MultiFn/invoke
                  info.clj:  287  cider.nrepl.middleware.info/handle-info
                  info.clj:  286  cider.nrepl.middleware.info/handle-info
                  Var.java:  383  clojure.lang.Var/invoke
                 nrepl.clj:  202  cider.nrepl/wrap-info/fn
            middleware.clj:   22  clojure.tools.nrepl.middleware/wrap-conj-descriptor/fn
                 nrepl.clj:  221  cider.nrepl/wrap-inspect/fn
            middleware.clj:   22  clojure.tools.nrepl.middleware/wrap-conj-descriptor/fn
                 nrepl.clj:  392  cider.nrepl/wrap-trace/fn
            middleware.clj:   22  clojure.tools.nrepl.middleware/wrap-conj-descriptor/fn
                 nrepl.clj:  365  cider.nrepl/wrap-stacktrace/fn
            middleware.clj:   22  clojure.tools.nrepl.middleware/wrap-conj-descriptor/fn
                 nrepl.clj:  188  cider.nrepl/wrap-format/fn
            middleware.clj:   22  clojure.tools.nrepl.middleware/wrap-conj-descriptor/fn
                 nrepl.clj:  429  cider.nrepl/wrap-version/fn
            middleware.clj:   22  clojure.tools.nrepl.middleware/wrap-conj-descriptor/fn
            middleware.clj:  197  refactor-nrepl.middleware/wrap-refactor/fn
            middleware.clj:   22  clojure.tools.nrepl.middleware/wrap-conj-descriptor/fn
             load_file.clj:   79  clojure.tools.nrepl.middleware.load-file/wrap-load-file/fn
            middleware.clj:   22  clojure.tools.nrepl.middleware/wrap-conj-descriptor/fn
                 nrepl.clj:  410  cider.nrepl/wrap-tracker/fn
            middleware.clj:   22  clojure.tools.nrepl.middleware/wrap-conj-descriptor/fn
                 nrepl.clj:  104  cider.nrepl/wrap-pprint/fn
            middleware.clj:   22  clojure.tools.nrepl.middleware/wrap-conj-descriptor/fn
             pr_values.clj:   22  clojure.tools.nrepl.middleware.pr-values/pr-values/fn
            middleware.clj:   22  clojure.tools.nrepl.middleware/wrap-conj-descriptor/fn
                 nrepl.clj:  375  cider.nrepl/wrap-test/fn
            middleware.clj:   22  clojure.tools.nrepl.middleware/wrap-conj-descriptor/fn
                pprint.clj:   50  cider.nrepl.middleware.pprint/handle-pprint-fn
                pprint.clj:   45  cider.nrepl.middleware.pprint/handle-pprint-fn
                  Var.java:  383  clojure.lang.Var/invoke
                 nrepl.clj:   85  cider.nrepl/wrap-pprint-fn/fn
            middleware.clj:   22  clojure.tools.nrepl.middleware/wrap-conj-descriptor/fn
               session.clj:  192  clojure.tools.nrepl.middleware.session/session/fn
            middleware.clj:   22  clojure.tools.nrepl.middleware/wrap-conj-descriptor/fn
                server.clj:   19  clojure.tools.nrepl.server/handle*
                server.clj:   16  clojure.tools.nrepl.server/handle*
                server.clj:   28  clojure.tools.nrepl.server/handle/fn
                  core.clj: 1938  clojure.core/binding-conveyor-fn/fn
                  AFn.java:   18  clojure.lang.AFn/call
           FutureTask.java:  264  java.util.concurrent.FutureTask/run
   ThreadPoolExecutor.java: 1167  java.util.concurrent.ThreadPoolExecutor/runWorker
   ThreadPoolExecutor.java:  641  java.util.concurrent.ThreadPoolExecutor$Worker/run
               Thread.java:  844  java.lang.Thread/run

Environment & Version information

CIDER version information

;; CIDER 0.16.0snapshot (package: 20171126.150), nREPL 0.2.12
;; Clojure 1.8.0, Java 9

Lein/Boot version

Leiningen 2.8.1 on Java 9 OpenJDK 64-Bit Server VM

Emacs version

GNU Emacs 25.3.1

Operating system

Arch Linux

[bbatsov]

Can you enable nREPL message logging and paste here what triggers the error exactly? (see http://cider.readthedocs.io/en/latest/troubleshooting/)

[xiongtx]

Cannot reproduce. Try cider-refresh and see if the problem continues.

[bbatsov]

@xiongtx Did you try with Java 9? I noticed another similar bug report, again on Java 9 - #2094

[xiongtx]

You're right, I'm using JDK 8. Java 9 is not readily available for Fedora 24, so if someone else wants to reproduce, that'd be good.

[TimoFreiberg]

nREPL message log:
https://gist.github.com/TimoFreiberg/a047d8d1e042cffc3aec31f1a5a7dd0c

[TimoFreiberg]

Not sure whether this belongs in this issue, but since yesterday I also no longer get stacktrace popups. The stacktrace is printed in the REPL instead (which is quite annoying).
I switched my default JDK back to 8, everything works again.

Edit: Only the base exception is printed in the REPL, below that comes something like:
https://gist.github.com/TimoFreiberg/9785fbcc39e668c5de0d2797b9f83d6f

[bbatsov]

Yeah, just found the bug clojure-emacs/cider-nrepl#462