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Fixed a case of NullPointerException on disconnected RWI data structure

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luccioman committed Dec 17, 2018
1 parent 55b059b commit 2f75e2d9c81be3283807b78de6fd500b26c39adf
Showing with 43 additions and 40 deletions.
  1. +43 −40 htroot/api/termlist_p.java
@@ -1,4 +1,4 @@
// rwilist_p
// termlist_p
// ------------
// (C) 2011 by Michael Peter Christen; mc@yacy.net
// first published 25.08.2011 on http://yacy.net
@@ -29,7 +29,8 @@
import net.yacy.cora.protocol.RequestHeader;
import net.yacy.cora.sorting.Rating;
import net.yacy.cora.util.ConcurrentLog;
import net.yacy.kelondro.index.Row;
import net.yacy.kelondro.data.word.WordReference;
import net.yacy.kelondro.rwi.IndexCell;
import net.yacy.search.Switchboard;
import net.yacy.search.index.Segment;
import net.yacy.server.serverObjects;
@@ -46,51 +47,53 @@ public static serverObjects respond(@SuppressWarnings("unused") final RequestHea
Segment segment = sb.index;
final boolean delete = post != null && post.containsKey("delete");
final long mincount = post == null ? 10000 : post.getLong("mincount", 10000);
final Iterator<Rating<byte[]>> i = segment.termIndex().referenceCountIterator(null, false, false);
Rating<byte[]> e;
int c = 0, termnumber = 0;
byte[] termhash, maxterm = null;
long count, mem, maxcount = 0, totalmemory = 0;
String hstring;
final Row referenceRow = segment.termIndex().referenceRow();
final int rowsize = referenceRow.objectsize;
final ArrayList<byte[]> deleteterms = new ArrayList<byte[]>();
long over1000 = 0, over10000 = 0, over100000 = 0, over1000000 = 0, over10000000 = 0, over100000000 = 0;
while (i.hasNext()) {
e = i.next();
termnumber++;
count = e.getScore();
if (count >= 1000) over1000++;
if (count >= 10000) over10000++;
if (count >= 100000) over100000++;
if (count >= 1000000) over1000000++;
if (count >= 10000000) over10000000++;
if (count >= 100000000) over100000000++;
if (count > maxcount) {
maxcount = count;
maxterm = e.getObject();
}
if (count < mincount) continue;
termhash = e.getObject();
if (delete) deleteterms.add(termhash);
hstring = ASCII.String(termhash);
mem = 20 + count * rowsize;
prop.put("terms_" + c + "_termhash", hstring);
prop.put("terms_" + c + "_count", count);
prop.put("terms_" + c + "_memory", mem);
//log.logWarning("termhash: " + hstring + " | count: " + count + " | memory: " + mem);
c++;
totalmemory += mem;
}
if (delete) {
for (final byte[] t: deleteterms) {
try {
segment.termIndex().delete(t);
} catch (final IOException e1) {
log.warn("Error deleting " + ASCII.String(t), e1);
e1.printStackTrace();
}
}

final IndexCell<WordReference> termIndex = segment.termIndex();
int rowsize = 0;
if(termIndex != null) {
rowsize = termIndex.referenceRow().objectsize;
final Iterator<Rating<byte[]>> i = termIndex.referenceCountIterator(null, false, false);
while (i.hasNext()) {
e = i.next();
termnumber++;
count = e.getScore();
if (count >= 1000) over1000++;
if (count >= 10000) over10000++;
if (count >= 100000) over100000++;
if (count >= 1000000) over1000000++;
if (count >= 10000000) over10000000++;
if (count >= 100000000) over100000000++;
if (count > maxcount) {
maxcount = count;
maxterm = e.getObject();
}
if (count < mincount) continue;
termhash = e.getObject();
if (delete) deleteterms.add(termhash);
hstring = ASCII.String(termhash);
mem = 20 + count * rowsize;
prop.put("terms_" + c + "_termhash", hstring);
prop.put("terms_" + c + "_count", count);
prop.put("terms_" + c + "_memory", mem);
c++;
totalmemory += mem;
}
if (delete) {
for (final byte[] t: deleteterms) {
try {
termIndex.delete(t);
} catch (final IOException e1) {
log.warn("Error deleting " + ASCII.String(t), e1);
}
}
}
}
prop.put("terms", c);
prop.put("maxterm", maxterm == null ? "" : ASCII.String(maxterm));

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