azkaban: newest code, web-server StackOverflowError

RUN bin/azkaban-web-start.sh error

log:

Error: HADOOP_HOME is not set. Hadoop job types will not run properly.
bin/..
.:/home/ld000/dev/jdk1.8.0_65/lib:/home/ld000/dev/jdk1.8.0_65/jre/lib:bin/../lib/activation-1.1.jar:bin/../lib/antlr-2.7.2.jar:bin/../lib/azkaban-common-3.13.0-9-gbb54dcd.jar:bin/../lib/azkaban-web-server-3.13.0-9-gbb54dcd.jar:bin/../lib/c3p0-0.9.1.1.jar:bin/../lib/cglib-nodep-2.2.jar:bin/../lib/commons-beanutils-1.7.0.jar:bin/../lib/commons-chain-1.1.jar:bin/../lib/commons-codec-1.6.jar:bin/../lib/commons-collections-3.2.2.jar:bin/../lib/commons-compress-1.2.jar:bin/../lib/commons-dbcp-1.4.jar:bin/../lib/commons-dbutils-1.5.jar:bin/../lib/commons-digester-1.8.jar:bin/../lib/commons-fileupload-1.2.1.jar:bin/../lib/commons-io-2.4.jar:bin/../lib/commons-jexl-2.1.1.jar:bin/../lib/commons-lang-2.6.jar:bin/../lib/commons-logging-1.1.3.jar:bin/../lib/commons-math3-3.0.jar:bin/../lib/commons-pool-1.5.4.jar:bin/../lib/commons-validator-1.3.1.jar:bin/../lib/data-1.15.7.jar:bin/../lib/data-transform-1.15.7.jar:bin/../lib/dom4j-1.1.jar:bin/../lib/guava-13.0.1.jar:bin/../lib/httpclient-4.3.1.jar:bin/../lib/httpcore-4.3.jar:bin/../lib/jackson-core-2.2.2.jar:bin/../lib/jackson-core-asl-1.9.5.jar:bin/../lib/jackson-mapper-asl-1.9.5.jar:bin/../lib/javax.inject-1.jar:bin/../lib/javax.servlet-api-3.0.1.jar:bin/../lib/jetty-6.1.26.jar:bin/../lib/jetty-util-6.1.26.jar:bin/../lib/joda-time-2.0.jar:bin/../lib/jopt-simple-4.3.jar:bin/../lib/json-20070829.jar:bin/../lib/li-jersey-uri-1.15.7.jar:bin/../lib/log4j-1.2.16.jar:bin/../lib/mail-1.4.5.jar:bin/../lib/metrics-core-3.1.0.jar:bin/../lib/metrics-jvm-3.1.0.jar:bin/../lib/mina-core-1.1.7.jar:bin/../lib/mysql-connector-java-5.1.28.jar:bin/../lib/netty-3.2.3.Final.jar:bin/../lib/oro-2.0.8.jar:bin/../lib/parseq-1.3.6.jar:bin/../lib/pegasus-common-1.15.7.jar:bin/../lib/quartz-2.2.1.jar:bin/../lib/r2-1.15.7.jar:bin/../lib/restli-common-1.15.7.jar:bin/../lib/restli-server-1.15.7.jar:bin/../lib/servlet-api-2.5-20081211.jar:bin/../lib/servlet-api-2.5.jar:bin/../lib/slf4j-api-1.7.7.jar:bin/../lib/snappy-0.3.jar:bin/../lib/sslext-1.2-0.jar:bin/../lib/struts-core-1.3.8.jar:bin/../lib/struts-taglib-1.3.8.jar:bin/../lib/struts-tiles-1.3.8.jar:bin/../lib/velocity-1.7.jar:bin/../lib/velocity-tools-2.0.jar:bin/../extlib/mysql-connector-java-5.1.40-bin.jar:bin/../plugins/*/*.jar

Exception: java.lang.StackOverflowError thrown from the UncaughtExceptionHandler in thread "main"