2

我是 AS400-Java 编程的新手。我正在尝试创建我的第一个程序来测试消息身份验证代码 (MAC) 的实现。我正在尝试使用 HMACSHA1 哈希函数。我的 (Java 1.4) 程序在开发盒 (V5R4) 上运行良好。但在 QA 盒 (V5R3) 上却非常失败。我的程序如下:

==================================================== ===


import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.Security;
import java.security.Provider;

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import javax.crypto.SecretKey;

public class Test01
{
 private static final String HMAC_SHA1_ALGORITHM = "HmacSHA1";

 public static void main (String [] arguments)
 {
  byte[] key = { 1,2,3,4,5,6,7,8};
  SecretKeySpec SHA1key = new SecretKeySpec(key, "HmacSHA1");
  Mac hmac;
  String strFinalRslt = "";

  try {
 hmac = Mac.getInstance("HmacSHA1");
 hmac.init(SHA1key);
 byte[] result = hmac.doFinal();
    strFinalRslt = toHexString(result);

  }catch (NoSuchAlgorithmException e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
  }catch (InvalidKeyException e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
  }catch(StackOverflowError e){
 e.printStackTrace();
  }
  System.out.println(strFinalRslt);
  System.out.println("All done!!!");
 }

 public static byte[] fromHexString ( String s )
 {
  int stringLength = s.length();
  if ( (stringLength & 0x1) != 0 )
  {
   throw new IllegalArgumentException ( "fromHexString requires an even number of hex characters" );
  }
  byte[] b = new byte[stringLength / 2];

  for ( int i=0,j=0; i>> 4] );

  //look up low nibble char
  sb.append( hexChar [b[i] & 0x0f] );
 }
 return sb.toString();
}

static char[] hexChar = {
'0' , '1' , '2' , '3' ,
'4' , '5' , '6' , '7' ,
'8' , '9' , 'a' , 'b' ,
'c' , 'd' , 'e' , 'f'};


}

这个程序编译得很好,并在我的 win-xp 客户端和我的开发盒上得到了正确的响应。但是,在 QA 框中失败并出现以下错误:

java.lang.StackOverflowError
    在 java.lang.Throwable.(Throwable.java:180)
    在 java.lang.Error.(Error.java:37)
    在 java.lang.StackOverflowError.(StackOverflowError.java:24)
    在 java.io.Os400FileSystem.list(本机方法)
    在 java.io.File.list(File.java:922)
    在 javax.crypto.be(未知来源)
    在 javax.crypto.ba(未知来源)
    在 javax.crypto.bc(未知来源)
    在 javax.crypto.b£0.run(未知来源)
    在 javax.crypto.b.(未知来源)
    在 javax.crypto.Mac.getInstance(未知来源)

我已经验证了java.security文件和jce文件对应的条目都可以。DMPJVM 命令给了我以下响应:

周四 6 月 3 日 12:25:34 E
Java 虚拟机信息 016822/QPGMR/11111
..................................................... ……………………………………………………………………………………………………………………
. 类路径。
..................................................... ……………………………………………………………………………………………………………………
java.version=1.4
sun.boot.class.path=/QIBM/ProdData/OS400/Java400/jdk/lib/jdkptf14.zip:/QIBM
/ProdData/OS400/Java400/ext/ibmjssefw.jar:/QIBM/ProdData/CAP/ibmjsseprovide
r.jar:/QIBM/ProdData/OS400/Java400/ext/ibmjsseprovider2.jar:/QIBM/ProdData/
OS400/Java400/ext/ibmpkcs11impl.jar:/QIBM/ProdData/CAP/ibmjssefips.jar:/QIB
M/ProdData/OS400/Java400/jdk/lib/IBMiSeriesJSSE.jar:/QIBM/ProdData/OS400/Ja
va400/jdk/lib/jce.jar:/QIBM/ProdData/OS400/Java400/jdk/lib/jaas.jar:/QIBM/P
rodData/OS400/Java400/jdk/lib/ibmcertpathfw.jar:/QIBM/ProdData/OS400/Java40
0/jdk/lib/ibmcertpathprovider.jar:/QIBM/ProdData/OS400/Java400/ext/ibmpkcs。
jar:/QIBM/ProdData/OS400/Java400/jdk/lib/ibmjgssfw.jar:/QIBM/ProdData/OS400
/Java400/jdk/lib/ibmjgssprovider.jar:/QIBM/ProdData/OS400/Java400/jdk/lib/s
ecurity.jar:/QIBM/ProdData/OS400/Java400/jdk/lib/charsets.jar:/QIBM/ProdDat
a/OS400/Java400/jdk/lib/resources.jar:/QIBM/ProdData/OS400/Java400/jdk/lib/
rt.jar:/QIBM/ProdData/OS400/Java400/jdk/lib/sunrsasign.jar:/QIBM/ProdData/O
S400/Java400/ext/IBMmisc.jar:/QIBM/ProdData/Java400/
java.class.path=/myhome/lib/commons-codec-1.3.jar:/myhome/lib/commons-httpc
lient-3.1.jar:/myhome/lib/commons-logging-1.1.jar:/myhome/lib/log4j-1.2.15.jar:/myhome/lib/log4j-core.jar
;
java.ext.dirs=/QIBM/ProdData/OS400/Java400/jdk/lib/ext:/QIBM/UserData/Java4
00/ext:/QIBM/ProdData/Java400/jdk14/lib/ext
java.library.path=/QSYS.LIB/ROBOTLIB.LIB:/QSYS.LIB/QTEMP.LIB:/QSYS.LIB/ODIP
GM.LIB:/QSYS.LIB/QGPL.LIB
..................................................... ……………………………………………………………………………………………………………………
. 垃圾收集 。
..................................................... ……………………………………………………………………………………………………………………
垃圾收集器参数
   初始大小:16384 K
   最大尺寸:240000000 K
当前值
   堆大小:437952 K
   垃圾收集:58
附加值
   JIT 堆大小:53824 K
   JVM 堆大小:55752 K
   上次 GC 循环时间:1333 毫秒
..................................................... ……………………………………………………………………………………………………………………
. 线程信息。
..................................................... ……………………………………………………………………………………………………………………
处理的 4 个线程中的 4 个线程的信息
线程:00000004 线程-0
  TDE: B00380000BAA0000
  线程优先级:5
  线程状态:正在运行
  线程组:主
  可运行:java/lang/Thread
 堆:
    java/io/Os400FileSystem.list(Ljava/io/File;)[Ljava/lang/String;+0 (Os400FileSystem.java:0)
    java/io/File.list()[Ljava/lang/String;+19 (File.java:922)
    javax/crypto/be()[B+127 (:0)
    javax/crypto/ba(Ljava/security/cert/X509Certificate;)V+7 (:0)
    javax/crypto/b.access$500(Ljava/security/cert/X509Certificate;)V+1 (:0)
    javax/crypto/b$0.run()Ljava/lang/Object;+98 (:0)
    javax/crypto/b.()V+507 (:0)
    javax/crypto/Mac.getInstance(Ljava/lang/String;)Ljavax/crypto/Mac;+10 (:0)
 锁:
    没有任何
线程:00000007 jitcompilethread
  TDE:B00380000BD58000
  线程优先级:5
  线程状态:Java 等待
  线程组:系统
  可运行:java/lang/Thread
 堆:
    没有任何
 锁:
    没有任何
线程:00000005 参考处理程序
  TDE:B00380000BAAC000
  线程优先级:10
  线程状态:等待
  等待对象:java/lang/ref/Reference$Lock
  线程组:系统
  可运行:java/lang/ref/Reference$ReferenceHandler
 堆:
    java/lang/Object.wait()V+1 (Object.java:452)
    java/lang/ref/Reference$ReferenceHandler.run()V+47 (Reference.java:169)
 锁:
    没有任何
Thread: 00000006 终结器
  TDE:B00380000BAB3000
  线程优先级:8
  线程状态:等待
  等待对象:java/lang/ref/ReferenceQueue$Lock
  线程组:系统
  可运行:java/lang/ref/Finalizer$FinalizerThread
 堆:
    java/lang/ref/ReferenceQueue.remove(J)Ljava/lang/ref/Reference;+43 (ReferenceQueue.java:111)
    java/lang/ref/ReferenceQueue.remove()Ljava/lang/ref/Reference;+1 (ReferenceQueue.java:127)
    java/lang/ref/Finalizer$FinalizerThread.run()V+3 (Finalizer.java:171)
 锁:
    没有任何
..................................................... ……………………………………………………………………………………………………………………
. 类加载器信息。
..................................................... ……………………………………………………………………………………………………………………
0 默认类加载器
1个太阳/反射/委托类加载器
2 太阳/杂项/Launcher$ExtClassLoader
..................................................... ……………………………………………………………………………………………………………………
. GC 堆信息。
..................................................... ……………………………………………………………………………………………………………………
 加载器对象类名
 ------ -------- ----------
 0 1493 [C
 0 2122181 java/语言/字符串
 0 47 [Ljava/util/Hashtable$Entry;
 0 68 [Ljava/语言/对象;
 0 1016 java/语言/类
 0 31 java/util/HashMap
 0 37 java/util/哈希表
 0 2 java/语言/线程组
 0 2 java/lang/RuntimePermission
 0 2 java/lang/ref/ReferenceQueue$Null
 0 5 java/lang/ref/ReferenceQueue
 0 50 java/util/向量
 0 4 java/util/堆栈
 0 3 太阳/杂项/SoftCache
 0 1 [Ljava/lang/ThreadGroup;
 0 5 [Ljava/io/ObjectStreamField;
 0 1 太阳/反射/反射工厂
 0 7 java/lang/ref/ReferenceQueue$Lock
 0 10 java/语言/对象
 0 1 java/lang/String$CaseInsensitiveComparator
 0 1 java/util/Hashtable$EmptyEnumerator
 0 1 java/util/Hashtable$EmptyIterator
 0 33 [Ljava/util/HashMap$Entry;
 0 19210 [J
 0 1 sun/nio/cs/StandardCharsets
 0 5 java/util/TreeMap
 0 1075 java/util/TreeMap$Entry
 0 469 [Ljava/语言/字符串;
 0 1 java/lang/StringBuffer
 0 2 java/io/文件输入流
 0 2 java/io/文件输出流
 0 2 java/io/BufferedOutputStream
 0 1 java/lang/reflect/ReflectPermission
 0 1 [[Ljava/lang/ref/SoftReference;
 0 2 [Ljava/lang/ref/SoftReference;
 0 2 sun/nio/cs/Sur​​rogate$Parser
 0 3 太阳/杂项/信号
 0 1 [Ljava/io/文件;
 0 6 java/io/文件
 0 1 java/util/BitSet
 0 17 太阳/反射/NativeConstructorAccessorImpl
 0 2 java/net/URLClassLoader$ClassFinder
 0 12 java/util/ArrayList
 0 32 java/io/随机访问文件
 0 16 java/语言/线程
 0 1 java/lang/ref/Reference$ReferenceHandler
 0 1 java/lang/ref/Finalizer$FinalizerThread
 0 266 [乙
 0 2 java/util/属性
 0 71 java/lang/ref/终结器
 0 2 com/ibm/nio/cs/DirectEncoder
 0 38 java/lang/反射/构造函数
 0 33 java/util/jar/JarFile
 0 19200 java/lang/StackOverflowError
 0 5 java/安全/AccessControlContext
 0 2 [Ljava/语言/线程;
 0 4 java/lang/OutOfMemoryError
 0 1065 java/util/Hashtable$Entry
 0 1 java/io/BufferedInputStream
 0 2 java/io/PrintStream
 0 2 java/io/OutputStreamWriter
 0 428 [我
 0 3 java/lang/ClassLoader$NativeLibrary
 0 25 java/util/语言环境
 0 3 太阳/杂项/URLClassPath
 0 30 java/util/zip/Inflater
 0 612 java/util/HashMap$Entry
 0 2 java/io/文件权限
 0 10 java/io/ObjectStreamField
 0 1 java/security/BasicPermissionCollection
 0 2 java/安全/保护域
 0 1 java/lang/整数$1
 0 1 java/lang/ref/Reference$Lock
 0 1 java/lang/Shutdown$Lock
 0 1 java/语言/运行时
 0 36 java/io/文件描述符
 0 1 java/lang/Long$1
 0 202 java/lang/长
 0 3 java/lang/ThreadLocal
 0 3 java/nio/charset/CodingErrorAction
 0 2 java/nio/charset/CoderResult
 0 1 java/nio/charset/CoderResult$1
 0 1 java/nio/charset/CoderResult$2
 0 1 太阳/杂项/不安全
 0 2 java/nio/字节顺序
 0 1 java/io/Os400文件系统
 0 3 java/lang/布尔
 0 1 java/lang/终结者$1
 0 23 java/语言/整数
 0 2 太阳/杂项/NativeSignalHandler
 0 1 sun/misc/Launcher$Factory
 0 1 太阳/杂项/发射器
 0 53 [Ljava/语言/类;
 0 1 java/lang/reflect/ReflectAccess
 0 18 sun/reflect/DelegatingConstructorAccessorImpl
 0 1 sun/net/www/protocol/file/Handler
 0 3 java/util/HashSet
 0 3 sun/net/www/protocol/jar/Handler
 0 1 java/util/jar/JavaUtilJarAccessImpl
 0 1 java/net/UnknownContentHandler
 0 2 [Ljava/安全/主体;
 0 10 [Ljava/安全/证书/证书;
 0 2 太阳/杂项/AtomicLongCSImpl
 0 3 太阳/反射/DelegatingMethodAccessorImpl
 0 1 sun/security/util/ByteArrayLexOrder
 0 1 sun/security/util/ByteArrayTagOrder
 0 7 太阳/安全/x509/CertificateVersion
 0 7 太阳/安全/x509/CertificateSerialNumber
 0 7 太阳/安全/x509/序列号
 0 7 太阳/安全/x509/CertificateAlgorithmId
 0 7 sun/security/x509/CertificateIssuerName
 0 60 太阳/安全/x509/RDN
 0 60 [Lsun/安全/x509/AVA;
 0 67 太阳/安全/实用程序/DerInputStream
 0 3 [Ljava/数学/大整数;
 0 2 com/ibm/nio/cs/转换器
 0 2 sun/nio/cs/StreamEncoder$CharsetSE
 0 35 java/lang/ref/SoftReference
 0 2 java/nio/HeapByteBuffer
 0 2 java/io/BufferedWriter
 0 33 太阳/杂项/URLClassPath$JarLoader
 0 4 java/lang/ThreadLocal$ThreadLocalMap$Entry
 0 76 java/网络/URL
 0 1 太阳/杂项/Launcher$ExtClassLoader
 0 1 太阳/杂项/Launcher$AppClassLoader
 0 4 java/lang/Throwable
 0 7 java/lang/反射/方法
 0 2 太阳/杂项/URLClassPath$FileLoader
 0 2 java/安全/代码源
 0 2 java/安全/权限
 0 2 java/io/FilePermissionCollection
 0 1 java/lang/ThreadLocal$ThreadLocalMap
 0 1 javax/crypto/spec/SecretKeySpec
 0 17 java/util/jar/Attributes$Name
 0 1 [Ljava/lang/ThreadLocal$ThreadLocalMap$Entry;
 0 1 java/安全/SecureRandom
 0 2 太阳/安全/提供商/太阳
 0 1 java/util/jar/JarFile$JarFileEntry
 0 1 java/util/jar/JarVerifier
 0 3 太阳/反射/NativeMethodAccessorImpl
 0 116 太阳/安全/实用程序/对象标识符
 0 1 java/lang/包
 0 2 [S
 0 104 java/数学/大整数
 0 20 太阳/安全/x509/AlgorithmId
 0 14 太阳/安全/x509/X500Name
 0 14 [Lsun/安全/x509/RDN;
 0 60 太阳/安全/x509/AVA
 0 67 太阳/安全/实用程序/DerValue
 0 67 太阳/安全/实用程序/DerInputBuffer
 0 21 太阳/安全/x509/AVAKeyword
 0 6 太阳/安全/x509/X509CertImpl
 0 7 太阳/安全/x509/X509CertInfo
 0 1 [Lsun/security/util/ObjectIdentifier;
 0 1 [[Ljava/语言/字节;
 0 3 [[B
 0 7 太阳/安全/提供者/DSAPublicKey
 0 7 太阳/安全/x509/AuthorityKeyIdentifierExtension
 0 12 [Ljava/语言/字节;
 0 14 java/语言/字节
 0 7 太阳/安全/x509/CertificateSubjectName
 0 7 太阳/安全/x509/CertificateX509Key
 0 14 太阳/安全/x509/KeyIdentifier
 0 4 [Z
 0 5 太阳/文本/Normalizer$Mode
 0 7 太阳/安全/x509/CertificateValidity
 0 14 java/util/日期
 0 7 太阳/安全/提供者/DSAParameters
 0 7 太阳/安全/实用程序/BitArray
 0 7 太阳/安全/x509/CertificateExtensions
 0 7 java/安全/算法参数
 0 7 太阳/安全/x509/SubjectKeyIdentifierExtension
 0 5 太阳/安全/x509/BasicConstraintsExtension
 0 2 太阳/安全/x509/KeyUsageExtension
 0 1 太阳/文本/CompactCharArray
 0 1 太阳/文本/CompactByteArray
 0 1 sun/net/www/protocol/jar/JarFileFactory
 0 1 java/util/Collections$EmptySet
 0 1 java/util/Collections$EmptyList
 0 1 java/util/Collections$ReverseComparator
 0 1 com/ibm/security/jgss/i18n/PropertyResource
 0 1 javax/加密/b$0
 0 1 太阳/安全/供应商/X509Factory
 0 1 太阳/反射/BootstrapConstructorAccessorImpl
 1 1 sun/reflect/GeneratedConstructorAccessor3202134454
 2 1 com/ibm/crypto/provider/IBMJCE
 0 6 java/util/ResourceBundle$LoaderReference
 0 1 [Lsun/security/x509/NetscapeCertTypeExtension$MapEntry;
 0 1 com/sun/rsajca/提供者
 0 1 com/ibm/security/cert/IBMCertPath
 0 1 com/ibm/as400/ibmonly/net/ssl/Provider
 0 1 com/ibm/jsse/IBMJSSEProvider
 0 1 com/ibm/security/jgss/IBMJGSSProvider
 0 5 组织/ietf/jgss/Oid
 0 1 java/util/PropertyResourceBundle
 0 7 java/util/ResourceBundle$ResourceCacheKey
 0 2 sun/net/www/protocol/jar/URLJarFile
 0 6 太阳/杂项/SoftCache$ValueCell
 0 1 java/util/随机
 0 1 java/util/Collections$EmptyMap
 0 112 com/ibm/security/util/ObjectIdentifier
 0 5 java/security/Security$ProviderProperty
 0 1 java/security/cert/CertificateFactory
 0 1 太阳/安全/提供者/SecureRandom
 0 2 java/security/MessageDigest$Delegate
 0 2 太阳/安全/提供商/SHA
 0 1 太阳/实用程序/日历/ZoneInfo
 0 4 com/ibm/security/x509/X500Name
 0 2 [Ljava/security/cert/X509Certificate;
 0 1 sun/reflect/DelegatingClassLoader
 0 1 太阳/安全/x509/NetscapeCertTypeExtension
 0 7 sun/security/x509/NetscapeCertTypeExtension$MapEntry
 0 3 [[Ljava/语言/字符串;
 0 3 java/util/Arrays$ArrayList
 0 7 com/ibm/security/x509/NetscapeCertTypeExtension$MapEntry
 0 1 com/ibm/security/validator/EndEntityChecker
 0 1 java/util/AbstractList$Itr
 0 1 com/ibm/security/util/ByteArrayLexOrder
 0 1 com/ibm/security/util/ByteArrayTagOrder
 0 18 [Lcom/ibm/security/x509/AVA;
 0 18 com/ibm/security/util/DerInputStream
 0 5 com/ibm/security/util/text/Normalizer$Mode
 0 1 com/ibm/security/validator/SimpleValidator
 0 1 [Lcom/ibm/security/x509/NetscapeCertTypeExtension$MapEntry;
 0 4 [Lcom/ibm/security/x509/RDN;
 0 1 java/util/Hashtable$枚举器
 0 4 java/util/LinkedHashMap$Entry
 0 1 太阳/文本/资源/LocaleElements
 0 1 太阳/文本/资源/LocaleElements_en
 0 22 com/ibm/security/x509/AVAKeyword
 0 4 javax/security/auth/x500/X500Principal
 0 18 com/ibm/security/x509/RDN
 0 18 com/ibm/security/x509/AVA
 0 18 com/ibm/security/util/DerInputBuffer
 0 18 com/ibm/security/util/DerValue
 0 1 com/ibm/security/util/text/CompactCharArray
 0 1 com/ibm/security/util/text/CompactByteArray
 0 2 java/util/LinkedHashMap
 0 1 java/net/InetAddress$1
 0 2 [Ljava/net/InetAddress;
 0 2 java/net/InetAddress$Cache
 0 1 java/net/Inet4AddressImpl
 0 3 java/net/Inet4Address
 0 2 java/net/InetAddress$CacheEntry
..................................................... ……………………………………………………………………………………………………………………
. 全局注册表信息。
..................................................... ……………………………………………………………………………………………………………………
 加载器对象类名
 ------ -------- ----------
 0 23 [C
 0 1017 java/语言/类
 0 1 java/lang/ref/Reference$ReferenceHandler
 0 1 java/lang/ref/Finalizer$FinalizerThread
 0 1 太阳/杂项/Launcher$AppClassLoader
 0 32 java/io/随机访问文件
 0 32 [乙

有人可以给我建议吗?

非常感谢,普拉萨纳

4

1 回答 1

1

问题似乎是

at java.io.Os400FileSystem.list(Native method)
at java.io.File.list(File.java:922)

Mac.getInstance() 代码需要读取由 Os400FileSystem.list() 方法完成的文件夹 (File.list)。显然那个文件夹太大了。

您需要检查的第一件事是机器在 PTF 上是最新的。如果问题仍然存在,请尝试为您的进程提供更多内存(JAVA/RUNJVA 命令的参数)以查看您的内存是否太少。默认值从 V5R3 增加到 V5R4。

于 2010-06-18T09:50:26.893 回答