NPE in TrStepped

[yegor256]

java.lang.NullPointerException: Cannot invoke "com.jcabi.xml.XSL.with(String, Object)" because the return value of "org.cactoos.Scalar.value()" is null
	at org.eolang.parser.TrStepped.lambda$new$1(TrStepped.java:70)
	at com.yegor256.xsline.StLambda.apply(StLambda.java:115)
	at com.yegor256.xsline.StAfter.lambda$new$0(StAfter.java:50)
	at com.yegor256.xsline.StLambda.apply(StLambda.java:115)
	at com.yegor256.xsline.StEnvelope.apply(StEnvelope.java:61)
	at com.yegor256.xsline.Xsline.pass(Xsline.java:85)
	at org.eolang.parser.PhiSyntax.parsed(PhiSyntax.java:109)
	at org.eolang.parser.PhiSyntaxTest.checksValidPhiExpressions(PhiSyntaxTest.java:130)

This is a flaky test, I can't reproduce this bug any more.

[volodya-lombrozo]

@yegor256 I got the same bug locally:

Caused by: java.lang.NullPointerException: Cannot invoke "com.jcabi.xml.XSL.with(String, Object)" because the return value of "org.cactoos.Scalar.value()" is null
    at org.eolang.parser.TrStepped.lambda$new$1 (TrStepped.java:70)
    at com.yegor256.xsline.StLambda.apply (StLambda.java:115)
    at com.yegor256.xsline.StAfter.lambda$new$0 (StAfter.java:50)
    at com.yegor256.xsline.StLambda.apply (StLambda.java:115)
    at com.yegor256.xsline.StEnvelope.apply (StEnvelope.java:61)
    at com.yegor256.xsline.Xsline.pass (Xsline.java:85)
    at org.eolang.parser.Xmir.converted (Xmir.java:237)
    at org.eolang.parser.Xmir.toPhi (Xmir.java:194)
    at org.eolang.maven.PhiMojo.translated (PhiMojo.java:181)
    at org.eolang.maven.PhiMojo.translate (PhiMojo.java:149)
    at org.eolang.maven.PhiMojo.lambda$exec$0 (PhiMojo.java:107)
    at org.eolang.maven.util.Threaded.lambda$total$0 (Threaded.java:75)
    at org.cactoos.scalar.CallableEnvelope.call (CallableEnvelope.java:53)
    at java.util.concurrent.FutureTask.run (FutureTask.java:317)
    at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1144)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:642)
    at java.lang.Thread.run (Thread.java:1583)

[volodya-lombrozo]

Blocks: objectionary/jeo-maven-plugin#982

[volodya-lombrozo]

@yegor256 Could you release a new minor version please? It's kinda blocker

[yegor256]

@rultor release, tag is 0.50.2

[rultor]

@rultor release, tag is 0.50.2

@yegor256 OK, I will release it now. Please check the progress here.

[rultor]

@rultor release, tag is 0.50.2

@yegor256 Done! FYI, the full log is here (took me 11min).

[yegor256]

@volodya-lombrozo try version 0.50.2