WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcheck(silent = FALSE)
  error: Java Exception <no description because toString() failed>.jcall(f, "Ljava/lang/Object;", "get", .jcast(ic, "java/lang/Object"))new("jobjRef", jobj = <pointer: 0x29436b8>, jclass = "java/lang/Throwable")’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcall("java.lang.System", "S", "getProperty", "java.version")
  error: RcallMethod: cannot determine object class’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" java.lang.StackOverflowError
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcheck()
  error: java.lang.StackOverflowError.jcall("java.lang.System", "S", "getProperty", "java.version")new("jobjRef", jobj = <pointer: 0x29436b8>, jclass = "java/lang/StackOverflowError")’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcall("java.lang.System", "S", "getProperty", "java.version")
  error: RcallMethod: cannot determine object class’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" java.lang.StackOverflowError
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcheck()
  error: java.lang.StackOverflowError.jcall("java.lang.System", "S", "getProperty", "java.version")new("jobjRef", jobj = <pointer: 0x29436e0>, jclass = "java/lang/StackOverflowError")’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcall("java.lang.System", "S", "getProperty", "java.version")
  error: RcallMethod: cannot determine object class’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" java.lang.StackOverflowError
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcheck()
  error: java.lang.StackOverflowError.jcall("java.lang.System", "S", "getProperty", "java.version")new("jobjRef", jobj = <pointer: 0x29436c8>, jclass = "java/lang/StackOverflowError")’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcall("java.lang.System", "S", "getProperty", "java.version")
  error: RcallMethod: cannot determine object class’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" java.lang.StackOverflowError
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcheck()
  error: java.lang.StackOverflowError.jcall("java.lang.System", "S", "getProperty", "java.version")new("jobjRef", jobj = <pointer: 0x29436b8>, jclass = "java/lang/StackOverflowError")’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcall("java.lang.System", "S", "getProperty", "java.version")
  error: RcallMethod: cannot determine object class’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" java.lang.StackOverflowError
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcheck()
  error: java.lang.StackOverflowError.jcall("java.lang.System", "S", "getProperty", "java.version")new("jobjRef", jobj = <pointer: 0x29436e0>, jclass = "java/lang/StackOverflowError")’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcall("java.lang.System", "S", "getProperty", "java.version")
  error: RcallMethod: cannot determine object class’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" java.lang.StackOverflowError
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcheck()
  error: java.lang.StackOverflowError.jcall("java.lang.System", "S", "getProperty", "java.version")new("jobjRef", jobj = <pointer: 0x29436c8>, jclass = "java/lang/StackOverflowError")’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcall("java.lang.System", "S", "getProperty", "java.version")
  error: RcallMethod: cannot determine object class’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" java.lang.StackOverflowError
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcheck()
  error: java.lang.StackOverflowError.jcall("java.lang.System", "S", "getProperty", "java.version")new("jobjRef", jobj = <pointer: 0x29436c8>, jclass = "java/lang/StackOverflowError")’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcall("java.lang.System", "S", "getProperty", "java.version")
  error: RcallMethod: cannot determine object class’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" java.lang.StackOverflowError
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcheck()
  error: java.lang.StackOverflowError.jcall("java.lang.System", "S", "getProperty", "java.version")new("jobjRef", jobj = <pointer: 0x29436b8>, jclass = "java/lang/StackOverflowError")’
WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" WARNING: Initial Java 12 release has broken JNI support and does NOT work. Use stable Java 11 (or watch for 12u if avaiable).
ERROR: Java exception occurred during rJava bootstrap - see stderr for Java stack trace.
Exception in thread "main" Failed with error:  ‘.onLoad failed in loadNamespace() for 'xlsx', details:
  call: .jcall("java.lang.System", "S", "getProperty", "java.version")
  error: RcallMethod: cannot determine object class’