StackOverflowError in OzoneClientInvocationHandler

SLF4J: Failed toString() invocation on an object of type [com.sun.proxy.$Proxy85]
Reported exception:
java.lang.StackOverflowError
...
	at org.slf4j.impl.Log4jLoggerAdapter.trace(Log4jLoggerAdapter.java:156)
	at org.apache.hadoop.ozone.client.OzoneClientInvocationHandler.invoke(OzoneClientInvocationHandler.java:51)
	at com.sun.proxy.$Proxy85.toString(Unknown Source)
	at org.slf4j.helpers.MessageFormatter.safeObjectAppend(MessageFormatter.java:299)
	at org.slf4j.helpers.MessageFormatter.deeplyAppendParameter(MessageFormatter.java:271)
	at org.slf4j.helpers.MessageFormatter.arrayFormat(MessageFormatter.java:233)
	at org.slf4j.helpers.MessageFormatter.arrayFormat(MessageFormatter.java:173)
	at org.slf4j.helpers.MessageFormatter.format(MessageFormatter.java:151)
	at org.slf4j.impl.Log4jLoggerAdapter.trace(Log4jLoggerAdapter.java:156)
	at org.apache.hadoop.ozone.client.OzoneClientInvocationHandler.invoke(OzoneClientInvocationHandler.java:51)
	at com.sun.proxy.$Proxy85.toString(Unknown Source)
...