Clojure command fails

osmanirosado · July 25, 2026, 7:14pm

I installed Clojure using dnf in Fedora Workstation 44. The clojure command fails to start with an error.

barryascott · July 25, 2026, 7:16pm

To get help you need to provide enough information for us to help you.

In this case we need to know the command you typed and what the error was. Copy and paste the text as pre-formatted text (no screen shots of text please) using the </> button.

osmanirosado · July 25, 2026, 7:19pm

$ clojure

Exception in thread "main" java.lang.ExceptionInInitializerError
	at java.base/java.lang.Class.forName0(Native Method)
	at java.base/java.lang.Class.forName(Class.java:547)
	at clojure.lang.RT.classForName(RT.java:2229)
	at clojure.lang.RT.classForName(RT.java:2238)
	at clojure.lang.RT.loadClassForName(RT.java:2257)
	at clojure.lang.RT.load(RT.java:469)
	at clojure.lang.RT.load(RT.java:444)
	at clojure.core$load$fn__6933.invoke(core.clj:6189)
	at clojure.core$load.invokeStatic(core.clj:6188)
	at clojure.core$load.doInvoke(core.clj:6172)
	at clojure.lang.RestFn.invoke(RestFn.java:411)
	at clojure.core$load_one.invokeStatic(core.clj:5961)
	at clojure.core$load_one.invoke(core.clj:5956)
	at clojure.core$load_lib$fn__6875.invoke(core.clj:6003)
	at clojure.core$load_lib.invokeStatic(core.clj:6002)
	at clojure.core$load_lib.doInvoke(core.clj:5981)
	at clojure.lang.RestFn.applyTo(RestFn.java:145)
	at clojure.core$apply.invokeStatic(core.clj:669)
	at clojure.core$load_libs.invokeStatic(core.clj:6044)
	at clojure.core$load_libs.doInvoke(core.clj:6028)
	at clojure.lang.RestFn.applyTo(RestFn.java:140)
	at clojure.core$apply.invokeStatic(core.clj:669)
	at clojure.core$require.invokeStatic(core.clj:6066)
	at clojure.core.server$loading__6814__auto____9007.invoke(server.clj:9)
	at clojure.core.server__init.load(Unknown Source)
	at clojure.core.server__init.<clinit>(Unknown Source)
	at java.base/java.lang.Class.forName0(Native Method)
	at java.base/java.lang.Class.forName(Class.java:547)
	at clojure.lang.RT.classForName(RT.java:2229)
	at clojure.lang.RT.classForName(RT.java:2238)
	at clojure.lang.RT.loadClassForName(RT.java:2257)
	at clojure.lang.RT.load(RT.java:469)
	at clojure.lang.RT.load(RT.java:444)
	at clojure.core$load$fn__6933.invoke(core.clj:6189)
	at clojure.core$load.invokeStatic(core.clj:6188)
	at clojure.core$load.doInvoke(core.clj:6172)
	at clojure.lang.RestFn.invoke(RestFn.java:411)
	at clojure.core$load_one.invokeStatic(core.clj:5961)
	at clojure.core$load_one.invoke(core.clj:5956)
	at clojure.core$load_lib$fn__6875.invoke(core.clj:6003)
	at clojure.core$load_lib.invokeStatic(core.clj:6002)
	at clojure.core$load_lib.doInvoke(core.clj:5981)
	at clojure.lang.RestFn.applyTo(RestFn.java:145)
	at clojure.core$apply.invokeStatic(core.clj:669)
	at clojure.core$load_libs.invokeStatic(core.clj:6044)
	at clojure.core$load_libs.doInvoke(core.clj:6028)
	at clojure.lang.RestFn.applyTo(RestFn.java:140)
	at clojure.core$apply.invokeStatic(core.clj:669)
	at clojure.core$require.invokeStatic(core.clj:6066)
	at clojure.core$require.doInvoke(core.clj:6066)
	at clojure.lang.RestFn.invoke(RestFn.java:411)
	at clojure.lang.Var.invoke(Var.java:386)
	at clojure.lang.RT.doInit(RT.java:511)
	at clojure.lang.RT.init(RT.java:487)
	at clojure.main.main(main.java:38)
Caused by: Syntax error macroexpanding clojure.core/defn at (clojure/spec/alpha.clj:85:1).
	at clojure.lang.Compiler.checkSpecs(Compiler.java:7561)
	at clojure.lang.Compiler.macroexpand1(Compiler.java:7577)
	at clojure.lang.Compiler.macroexpand(Compiler.java:7655)
	at clojure.lang.Compiler.eval(Compiler.java:7741)
	at clojure.lang.Compiler.load(Compiler.java:8223)
	at clojure.lang.RT.loadResourceScript(RT.java:401)
	at clojure.lang.RT.loadResourceScript(RT.java:392)
	at clojure.lang.RT.load(RT.java:479)
	at clojure.lang.RT.load(RT.java:444)
	at clojure.core$load$fn__6933.invoke(core.clj:6189)
	at clojure.core$load.invokeStatic(core.clj:6188)
	at clojure.core$load.doInvoke(core.clj:6172)
	at clojure.lang.RestFn.invoke(RestFn.java:411)
	at clojure.core$load_one.invokeStatic(core.clj:5961)
	at clojure.core$load_one.invoke(core.clj:5956)
	at clojure.core$load_lib$fn__6875.invoke(core.clj:6003)
	at clojure.core$load_lib.invokeStatic(core.clj:6002)
	at clojure.core$load_lib.doInvoke(core.clj:5981)
	at clojure.lang.RestFn.applyTo(RestFn.java:145)
	at clojure.core$apply.invokeStatic(core.clj:669)
	at clojure.core$load_libs.invokeStatic(core.clj:6044)
	at clojure.core$load_libs.doInvoke(core.clj:6028)
	at clojure.lang.RestFn.applyTo(RestFn.java:140)
	at clojure.core$apply.invokeStatic(core.clj:669)
	at clojure.core$require.invokeStatic(core.clj:6066)
	at clojure.main$loading__6814__auto____9136.invoke(main.clj:11)
	at clojure.main__init.load(Unknown Source)
	at clojure.main__init.<clinit>(Unknown Source)
	... 55 more
Caused by: java.lang.Exception: #object[clojure.spec.alpha$and_spec_impl$reify__1043 0x67b100fe "clojure.spec.alpha$and_spec_impl$reify__1043@67b100fe"] is not a fn, expected predicate fn
	at clojure.spec.alpha$dt.invokeStatic(alpha.clj:767)
	at clojure.spec.alpha$dt.invoke(alpha.clj:757)
	at clojure.spec.alpha$dt.invokeStatic(alpha.clj:758)
	at clojure.spec.alpha$dt.invoke(alpha.clj:757)
	at clojure.spec.alpha$deriv.invokeStatic(alpha.clj:1532)
	at clojure.spec.alpha$deriv.invoke(alpha.clj:1526)
	at clojure.spec.alpha$deriv.invokeStatic(alpha.clj:1540)
	at clojure.spec.alpha$deriv.invoke(alpha.clj:1526)
	at clojure.spec.alpha$deriv$fn__1285.invoke(alpha.clj:1542)
	at clojure.core$map$fn__5956.invoke(core.clj:2772)
	at clojure.lang.LazySeq.force(LazySeq.java:50)
	at clojure.lang.LazySeq.realize(LazySeq.java:87)
	at clojure.lang.LazySeq.seq(LazySeq.java:104)
	at clojure.lang.RT.seq(RT.java:555)
	at clojure.core$seq__5488.invokeStatic(core.clj:139)
	at clojure.core$map$fn__5963.invoke(core.clj:2780)
	at clojure.lang.LazySeq.force(LazySeq.java:50)
	at clojure.lang.LazySeq.realize(LazySeq.java:87)
	at clojure.lang.LazySeq.seq(LazySeq.java:104)
	at clojure.lang.RT.seq(RT.java:555)
	at clojure.core$seq__5488.invokeStatic(core.clj:139)
	at clojure.core$filter$fn__5983.invoke(core.clj:2826)
	at clojure.lang.LazySeq.force(LazySeq.java:50)
	at clojure.lang.LazySeq.realize(LazySeq.java:87)
	at clojure.lang.LazySeq.seq(LazySeq.java:104)
	at clojure.lang.RT.seq(RT.java:555)
	at clojure.core$seq__5488.invokeStatic(core.clj:139)
	at clojure.core$map$fn__5956.invoke(core.clj:2763)
	at clojure.lang.LazySeq.force(LazySeq.java:50)
	at clojure.lang.LazySeq.realize(LazySeq.java:87)
	at clojure.lang.LazySeq.seq(LazySeq.java:104)
	at clojure.lang.RT.seq(RT.java:555)
	at clojure.core$seq__5488.invokeStatic(core.clj:139)
	at clojure.core$seq__5488.invoke(core.clj:139)
	at clojure.spec.alpha$filter_alt.invokeStatic(alpha.clj:1429)
	at clojure.spec.alpha$filter_alt.invoke(alpha.clj:1423)
	at clojure.spec.alpha$alt_STAR_.invokeStatic(alpha.clj:1433)
	at clojure.spec.alpha$alt_STAR_.invoke(alpha.clj:1432)
	at clojure.spec.alpha$deriv.invokeStatic(alpha.clj:1542)
	at clojure.spec.alpha$deriv.invoke(alpha.clj:1526)
	at clojure.spec.alpha$deriv.invokeStatic(alpha.clj:1540)
	at clojure.spec.alpha$deriv.invoke(alpha.clj:1526)
	at clojure.spec.alpha$deriv.invokeStatic(alpha.clj:1541)
	at clojure.spec.alpha$deriv.invoke(alpha.clj:1526)
	at clojure.spec.alpha$deriv.invokeStatic(alpha.clj:1541)
	at clojure.spec.alpha$deriv.invoke(alpha.clj:1526)
	at clojure.spec.alpha$re_conform.invokeStatic(alpha.clj:1667)
	at clojure.spec.alpha$re_conform.invoke(alpha.clj:1658)
	at clojure.spec.alpha$regex_spec_impl$reify__1369.conform_STAR_(alpha.clj:1708)
	at clojure.spec.alpha$conform.invokeStatic(alpha.clj:171)
	at clojure.spec.alpha$conform.invoke(alpha.clj:167)
	at clojure.spec.alpha$macroexpand_check.invokeStatic(alpha.clj:706)
	at clojure.spec.alpha$macroexpand_check.invoke(alpha.clj:702)
	at clojure.lang.AFn.applyToHelper(AFn.java:156)
	at clojure.lang.AFn.applyTo(AFn.java:144)
	at clojure.lang.Var.applyTo(Var.java:707)
	at clojure.lang.Compiler.checkSpecs(Compiler.java:7559)
	... 82 more

barryascott · July 25, 2026, 7:22pm

I can reproduce the problem.

I suggest you report this to in the Fedora bugtracker. Making sure you're not a bot!

osmanirosado · July 26, 2026, 1:37pm

Thanks for your help

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