The NPE is caused by an inbound presence stanza without the 'from'
attribute set. The stacktrace of the NPE is:
FATAL EXCEPTION: Smack Cached Executor
Process: de.fhg.ivi.senetz.mobile.android.mbk.debug, PID: 13365
java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.Object.hashCode()' on a null object reference
at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:944)
at org.jivesoftware.smack.roster.Roster.getPresencesInternal(Roster.java:374)
at org.jivesoftware.smack.roster.Roster.getOrCreatePresencesInternal(Roster.java:388)
at org.jivesoftware.smack.roster.Roster.access$1100(Roster.java:94)
at org.jivesoftware.smack.roster.Roster$PresencePacketListener$1.run(Roster.java:1519)
at org.jivesoftware.smack.AsyncButOrdered$Handler.run(AsyncButOrdered.java:121)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
at java.lang.Thread.run(Thread.java:764)
Thanks to Marcel Heckel for reporting this.
Fixes SMACK-861.
In case an exception happens in connect()/login() the
'disconnectedButResumable' boolean may (still) be set. Which causes
only one of the reader and writer threads to exit, typically the
reader thread, because shutdown() will bail out very early. This
leaves a dangling (writer) thread causing memory leaks and deadlocks
on a subsequent connect()/login().
in case length is zero. Also do throw a NegativeArraySizeException if
length is negative instead of returning null.
This fixes the following sporadic test issue:
org.jivesoftware.smackx.ox.PainlessOpenPgpProviderTest > encryptDecryptTest FAILED
java.lang.AssertionError
at org.jivesoftware.smack.util.XmlStringBuilder.escape(XmlStringBuilder.java:425)
at org.jivesoftware.smackx.ox.element.EncryptedOpenPgpContentElement.addCommonXml(EncryptedOpenPgpContentElement.java:65)
at org.jivesoftware.smackx.ox.element.CryptElement.toXML(CryptElement.java:51)
at org.jivesoftware.smackx.ox.element.CryptElement.toXML(CryptElement.java:31)
at org.jivesoftware.smack.packet.Element.toXML(Element.java:41)
at org.jivesoftware.smackx.ox.element.OpenPgpContentElement.toInputStream(OpenPgpContentElement.java:186)
at org.jivesoftware.smackx.ox.crypto.PainlessOpenPgpProvider.encrypt(PainlessOpenPgpProvider.java:136)
at org.jivesoftware.smackx.ox.PainlessOpenPgpProviderTest.encryptDecryptTest(PainlessOpenPgpProviderTest.java:155)
because EncryptedOpenPgpContentElement rpad field was sometimes
'null' in case the random function returned '0' as length.
Previously, the costly method 'ServiceDiscoveryManager.getInstance()'
was called at multiple instances inside MultiUserChatManager.
In this commit I wish to replace this call by saving a private final
instance of 'ServiceDiscoveryManager' which will is an attempt at
solving SMACK-836.
and deprecate createEntry().
createEntry() would also send a subscription request which may is
suprising given that you can also create an roster item without having
to send a subscription request out.
This also fixes a bug in
LowLevelRosterIntegrationTest.testPresenceEventListenersOffline()
where createEntry() was used, which would also trigger a presence
subscription request which in turn made the test fail if the
SubscribeListener of ensureSubscribedTo() was not yet set
up. So the test would fail depending on the timing.
especially *after* the sync points have been notified so that a
potential thread currently callin gconnect()/login() throws and leaves
the synchronized section.
This commit is more or less equivalent to
3ded023629 of the 4.3 branch.
as it is not neccessary and causes stalls and deadlocks with a
concurrent connect()/login() (which could be resolved interrupting the
connect()/login() calling thread):
"Smack Reader (0)" daemon prio=5 tid=21 Blocked
| group="main" sCount=1 dsCount=0 obj=0x12c84670 self=0x7e072ca200
| sysTid=14965 nice=0 cgrp=default sched=0/0 handle=0x7e06155450
| state=S schedstat=( 63430626 3034269 21 ) utm=5 stm=0 core=2 HZ=100
| stack=0x7e06053000-0x7e06055000 stackSize=1037KB
| held mutexes=
at org.jivesoftware.smack.tcp.XMPPTCPConnection.notifyConnectionError(XMPPTCPConnection.java:-1)
- waiting to lock <0x0ec6e6bb> (a org.jivesoftware.smack.tcp.XMPPTCPConnection) held by thread 22
at org.jivesoftware.smack.tcp.XMPPTCPConnection.access$3900(XMPPTCPConnection.java:154)
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.parsePackets(XMPPTCPConnection.java:1330)
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.access$900(XMPPTCPConnection.java:1064)
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader$1.run(XMPPTCPConnection.java:1081)
at java.lang.Thread.run(Thread.java:761)
"connect" prio=5 tid=22 Waiting
| group="main" sCount=1 dsCount=0 obj=0x12c8e820 self=0x7e19bcd600
| sysTid=15047 nice=0 cgrp=default sched=0/0 handle=0x7e05ee4450
| state=S schedstat=( 14067083 7475835 14 ) utm=1 stm=0 core=0 HZ=100
| stack=0x7e05de2000-0x7e05de4000 stackSize=1037KB
| held mutexes=
at java.lang.Object.wait!(Native method)
- waiting on <0x0c058b14> (a java.lang.Object)
at java.lang.Thread.parkFor$(Thread.java:2127)
- locked <0x0c058b14> (a java.lang.Object)
at sun.misc.Unsafe.park(Unsafe.java:325)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:161)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:840)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:994)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1303)
at java.util.concurrent.Semaphore.acquire(Semaphore.java:446)
at org.jivesoftware.smack.tcp.XMPPTCPConnection.initConnection(XMPPTCPConnection.java:685)
at org.jivesoftware.smack.tcp.XMPPTCPConnection.connectInternal(XMPPTCPConnection.java:942)
at org.jivesoftware.smack.AbstractXMPPConnection.connect(AbstractXMPPConnection.java:417)
- locked <0x0ec6e6bb> (a org.jivesoftware.smack.tcp.XMPPTCPConnection)
at org.yaxim.androidclient.service.SmackableImp.connectAndLogin(SmackableImp.java:717)
- locked <0x0ec6e6bb> (a org.jivesoftware.smack.tcp.XMPPTCPConnection)
at org.yaxim.androidclient.service.SmackableImp.doConnect(SmackableImp.java:304)
at org.yaxim.androidclient.service.SmackableImp$5.run(SmackableImp.java:391)
We assume that the connection is good even if there was no ping
result but a stanzas within the ping interval.
In some case we have produced so much load, that the ping result
was not delivered in time because so many other packets were
delivered before.
If a stream resume fails, smack will re-send all queued stanzas after a
reconnect. However, it does not make sense to re-send them:
* IQs / IQ responses have probably timed out
* MUC messages and PMs will be rejected as you haven't rejoined yet
* regular messages should be amended with a <delay> element
This patch adds a StanzaDroppedListener interface to the
XMPPTCPConnection. If at least one StanzaDroppedListener is provided,
all queued messages will be drained into the StanzaDroppedListener(s).
Otherwise, the original behavior of attempting to transmit them will be
followed.
Discussion: https://discourse.igniterealtime.org/t/xep-0198-resume-failure-reconnect-resending-of-muc-messages/83510/3
Signed-off-by: Georg Lukas <georg@op-co.de>
To prevent timeouts when joining very large MUCs we now reset the
self-presence collector's timeout for every other (occupant) presence
we receive.
Fixes SMACK-859.
to clean up the state build up by connect().
Related to SMACK-855 there is the possiblitiy of a stray (writer)
thread if, for example, tlsHandled.checkifSuccessOrWaitorThrow() in
XMPPTCPConnection.connectInternal() throws. This commit should prevent
that.
