An internal error occurred. >>No information<<.Fuzzing continued

[freedom1b2830]

There was an error in jazzer itself.
There is only a message:
ERROR: Unexpected exception encountered during autofuzz:

full:

...
#27042	NEW    cov: 398 ft: 1457 corp: 224/3671b lim: 38 exec/s: 11 rss: 2957Mb L: 31/38 MS: 4 ChangeBit-CopyPart-EraseBytes-InsertRepeatedBytes-
#27071	REDUCE cov: 398 ft: 1457 corp: 224/3669b lim: 38 exec/s: 11 rss: 2957Mb L: 14/38 MS: 4 ChangeBit-ChangeByte-InsertRepeatedBytes-EraseBytes-
ERROR: Unexpected exception encountered during autofuzz:
#27102	NEW    cov: 398 ft: 1464 corp: 225/3696b lim: 38 exec/s: 11 rss: 2957Mb L: 27/38 MS: 1 EraseBytes-
#27153	NEW    cov: 398 ft: 1465 corp: 226/3726b lim: 38 exec/s: 11 rss: 2957Mb L: 30/38 MS: 1 PersAutoDict- DE: "\377\377"-
#27249	REDUCE cov: 398 ft: 1465 corp: 226/3721b lim: 38 exec/s: 11 rss: 2957Mb L: 16/38 MS: 1 EraseBytes-
...

The next problem with >>target<< testing was slow-unit by as much as 1200 seconds

 <dependency>
	<groupId>com.github.curious-odd-man</groupId>
	<artifactId>rgxgen</artifactId>
	<version>1.4</version>
</dependency>

Jazzer.main(new String[] {
	"--autofuzz=com.github.curiousoddman.rgxgen.RgxGen::generate()",
	"--keep_going=300",
	"--autofuzz_ignore=java.lang.IllegalArgumentException",
});

There is nothing else besides him.

jazzer 0.15.0 maven central
java 1.8
os: Linux archlinux 6.2.1-arch1-1