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synchronized the DNS cache, because the non-synchronized version resulted in deadlocks

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git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@2168 6c8d7289-2bf4-0310-a012-ef5d649a1542
This commit is contained in:
orbiter 2006-06-02 19:09:48 +00:00
parent c36e9fc8d3
commit 26b6cddf51
1 changed files with 7 additions and 3 deletions
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10
source/de/anomic/http/httpc.java
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@ -57,6 +57,7 @@ import java.net.URL;
import java.net.UnknownHostException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.Enumeration;
import java.util.GregorianCalendar;
@ -64,7 +65,10 @@ import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.TimeZone;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
@ -121,9 +125,9 @@ public final class httpc {
static final HashMap reverseMappingCache = new HashMap();
// the dns cache
private static final HashMap nameCacheHit = new HashMap();
public static final LinkedList nameCacheNoCachingPatterns = new LinkedList();
public static final HashSet nameCacheNoCachingList = new HashSet();
private static final Map nameCacheHit = Collections.synchronizedMap(new HashMap()); // a not-synchronized map resulted in deadlocks
public static final List nameCacheNoCachingPatterns = Collections.synchronizedList(new LinkedList());
private static final Set nameCacheNoCachingList = Collections.synchronizedSet(new HashSet());
//private static HashSet nameCacheMiss = new HashSet();
/**