View wdDoInit being loaded multiple times
Hello all,
I'm building an WD application that has multiple views embeded in Portal.
At the lowest level, i got in the detailed navigation multiple IViews, mapped to the corresponding View in WD.
In a specific case, i got a list of views on the detailed navigation, that are common to the same component
Detailed Navigation
View1 -
>|
View2 -
>| ---> Web dynpro component X
View.. -
>|
My problem is that, in one of the views, a fire out plug call is being made in the wdDoInit (initializing another component) that takes some time.
What happens is that, when the portal workset is loaded (that containts the detailed navigation multiple iviews) the wdDoInit from all of the views is called, making the application slow.
I tried to change the view properties from framework_Controlled to when_visible but it didn't work. What i'm possible doing wrong?
Greetings!
Hi,
Which JDK version is in use ? If possible, use JDK 1.4.2.17
Change Perm size : -XX:PermSize=512m -XX:MaxPermSize=512m
Check if the below mentioned JVM parameters exists in the list :
-verbose:gc
-Xloggc:GC.log
// -Xmx2048m (if -Xmx mentioned the JVM Parameter list, remove it) as you have already mentioned in the JVM Heapsize //
-Xms2048m
-XX:PermSize=512m -XX:MaxPermSize=512m
-XX:NewSize=320m -XX:MaxNewSize=320m
-XX:SurvivorRatio=2
-XX:TargetSurvivorRatio=90
-XX:+PrintGCDetails
-XX:+PrintGCTimeStamps
-XX:+UseParNewGC
-XX:+HandlePromotionFailure
-XX:+PrintClassHistogram
Regards
Shaji
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We are developing a custom application which uses Dynpro for UI and EJBs/java for business and DAO layer.
->The application size is very big and to make the build and deployment faster, we have split the application into multiple ears.
->We have made sure that none of the classes are repeated across ears.
->We are using Web AS 2004s SP12 on Solaris UNIX platform.
With all the ears being deployed on the application server, we notice application server being restarted once/twice per day. We have gone through the logs etc in detail and we found that most of the application classes are being loaded multiple number of times. In some cases, same class is being loaded more than 150 times. Due to this reason, permSpace area of JVM is getting exhausted and JVM is crashing. permSpace of JVM is set to 1024M at the moment.
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Thanks, ChandraHi,
Which JDK version is in use ? If possible, use JDK 1.4.2.17
Change Perm size : -XX:PermSize=512m -XX:MaxPermSize=512m
Check if the below mentioned JVM parameters exists in the list :
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-XX:SurvivorRatio=2
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Regards
Shaji -
Finalize() method being called multiple times for same object?
I got a dilly of a pickle here.
Looks like according to the Tomcat output log file that the finalize method of class User is being called MANY more times than is being constructed.
Here is the User class:
package com.db.multi;
import java.io.*;
import com.db.ui.*;
import java.util.*;
* @author DBriscoe
public class User implements Serializable {
private String userName = null;
private int score = 0;
private SocketImage img = null;
private boolean gflag = false;
private Calendar timeStamp = Calendar.getInstance();
private static int counter = 0;
/** Creates a new instance of User */
public User() { counter++;
public User(String userName) {
this.userName = userName;
counter++;
public void setGflag(boolean gflag) {
this.gflag = gflag;
public boolean getGflag() {
return gflag;
public void setScore(int score) {
this.score = score;
public int getScore() {
return score;
public void setUserName(String userName) {
this.userName = userName;
public String getUserName() {
return userName;
public void setImage(SocketImage img) {
this.img = img;
public SocketImage getImage() {
return img;
public void setTimeStamp(Calendar c) {
this.timeStamp = c;
public Calendar getTimeStamp() {
return this.timeStamp;
public boolean equals(Object obj) {
try {
if (obj instanceof User) {
User comp = (User)obj;
return comp.getUserName().equals(userName);
} else {
return false;
} catch (NullPointerException npe) {
return false;
public void finalize() {
if (userName != null && !userName.startsWith("OUTOFDATE"))
System.out.println("User " + userName + " destroyed. " + counter);
}As you can see...
Every time a User object is created, a static counter variable is incremented and then when an object is destroyed it appends the current value of that static member to the Tomcat log file (via System.out.println being executed on server side).
Below is the log file from an example run in my webapp.
Dustin
User Queue Empty, Adding User: com.db.multi.User@1a5af9f
User Dustin destroyed. 0
User Dustin destroyed. 0
User Dustin destroyed. 0
User Dustin destroyed. 0
User Dustin destroyed. 0
USER QUEUE: false
INSIDE METHOD: false
AFTER METHOD: false
User Dustin destroyed. 1
User Dustin destroyed. 1
User Dustin destroyed. 1
User Dustin destroyed. 1
USER QUEUE: false
INSIDE METHOD: false
AFTER METHOD: false
User Dustin destroyed. 2
User Dustin destroyed. 2
User Dustin destroyed. 2
User Dustin destroyed. 2
User Dustin destroyed. 2
User Dustin destroyed. 2
User Dustin destroyed. 2
User Dustin destroyed. 2
USER QUEUE: false
INSIDE METHOD: false
AFTER METHOD: false
User Dustin destroyed. 3
User Dustin destroyed. 3
User Dustin destroyed. 3
User Dustin destroyed. 3
User Dustin destroyed. 3
User Dustin destroyed. 3
User Dustin destroyed. 3
User Dustin destroyed. 3
User Dustin destroyed. 3
USER QUEUE: false
INSIDE METHOD: false
AFTER METHOD: false
User Dustin destroyed. 4
User Dustin destroyed. 4
User Dustin destroyed. 4
User Dustin destroyed. 4
User Dustin destroyed. 4
User Dustin destroyed. 4
User Dustin destroyed. 4
User Dustin destroyed. 4
User Dustin destroyed. 4
USER QUEUE: false
INSIDE METHOD: false
AFTER METHOD: false
User Dustin destroyed. 5
User Dustin destroyed. 5
User Dustin destroyed. 5
User Dustin destroyed. 5
User Dustin destroyed. 5
User Dustin destroyed. 5
User Dustin destroyed. 5
User Dustin destroyed. 5
User Dustin destroyed. 5
USER QUEUE: false
INSIDE METHOD: false
AFTER METHOD: false
User Dustin destroyed. 6
User Dustin destroyed. 6
User Dustin destroyed. 6
User Dustin destroyed. 6
User Dustin destroyed. 6
User Dustin destroyed. 6
User Dustin destroyed. 6
User Dustin destroyed. 6
User Dustin destroyed. 6
User Dustin destroyed. 6
Joe
USER QUEUE: false
INSIDE METHOD: false
AFTER METHOD: false
User Dustin pulled from Queue, Game created: Joe
User Already Placed: Dustin with Joe
User Dustin destroyed. 7
User Dustin destroyed. 7
User Dustin destroyed. 7
User Dustin destroyed. 7
User Dustin destroyed. 7
User Dustin destroyed. 7
User Dustin destroyed. 7
User Dustin destroyed. 7
User Dustin destroyed. 7
User Dustin destroyed. 7
INSIDE METHOD: false
INSIDE METHOD: false
USER QUEUE: true
INSIDE METHOD: false
INSIDE METHOD: false
User Dustin destroyed. 9
User Joe destroyed. 9
User Dustin destroyed. 9
User Dustin destroyed. 9
User Dustin destroyed. 9
User Dustin destroyed. 9
INSIDE METHOD: true
INSIDE METHOD: false
USER QUEUE: true
INSIDE METHOD: false
INSIDE METHOD: false
INSIDE METHOD: true
INSIDE METHOD: false
USER QUEUE: true
INSIDE METHOD: false
INSIDE METHOD: false
It really does seem to me like finalize is being called multiple times for the same object.
That number should incremement for every instantiated User, and finalize can only be called once for each User object.
I thought this was impossible?
Any help is appreciated!Thanks...
I am already thinking of ideas to limit the number of threads.
Unfortunately there are two threads of execution in the servlet handler, one handles requests and the other parses the collection of User objects to check for out of date timestamps, and then eliminates them if they are out of date.
The collection parsing thread is currently a javax.swing.Timer thread (Bad design I know...) so I believe that I can routinely check for timestamps in another way and fix that problem.
Just found out too that Tomcat was throwing me a ConcurrentModificationException as well, which may help explain the slew of mysterious behavior from my servlet!
The Timer thread has to go. I got to think of a better way to routinely weed out User objects from the collection.
Or perhaps, maybe I can attempt to make it thread safe???
Eg. make my User collection volatile?
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If all the records you are displaying in your report
truly are duplicated, you could try check off 'select distinct records'
from the File --> Report Options menu. While this may solve the problem for you, it would be worthwhile to determine if you are actually joining your tables correctly.
likely the records aren't an exact duplicate and the problem is with your join criteria. To verify this you can: start by removing table b from the database expert altogether. does
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multiple rows, loan_id on its own must not make a record unique. Is
loan_id duplicated in either of your tables? Just because loan_id is a
primary key does not necessarily mean it is unique - often a record
will have 2 or more primary keys and only when all primary keys are
used is the record unique. If you display all of the columns
from both tables, you will hopefully see some (maybe just one) columns
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Page:
<?xml version='1.0' encoding='UTF-8'?>
<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="2.1"
xmlns:af="http://xmlns.oracle.com/adf/faces/rich"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:c="http://java.sun.com/jsp/jstl/core">
<c:set var="viewcontrollerBundle"
value="#{adfBundle['sop.view.ViewControllerBundle']}"/>
<af:pageTemplate viewId="/WEB-INF/templates/dettagliOggettoCoinvoltoTemplate.jspx"
id="pt1">
<f:attribute name="dataOraUltimoAggiornamento"
value="#{pageFlowScope.stazione.currentDateTime}"/>
<f:attribute name="drillDownTab1Title" value="Treni In Arrivo"/>
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layout="horizontal">
<!-- rendered="#{bindings._stazione.inputValue != null}"-->
<af:panelGroupLayout id="pgl5" layout="vertical">
<af:panelBox text="Info Stazione" id="pb1">
<af:panelGroupLayout id="pgl8" layout="vertical">
<af:panelLabelAndMessage label="Stazione:" id="plam1">
<af:outputFormatted value="#{bindings._stazione.inputValue}"
id="of1"/>
</af:panelLabelAndMessage>
<af:panelLabelAndMessage label="Situazione:" id="plam2">
<af:outputFormatted value="#{bindings.situazione.inputValue}"
id="of2"/>
</af:panelLabelAndMessage>
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<af:outputFormatted value="#{bindings.numAllarmiTVM.inputValue}"
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</af:panelLabelAndMessage>
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</af:panelBox>
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<f:facet name="toolbar"/>
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<af:outputFormatted value="#{bindings.telRFI.inputValue}"
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id="of3"/>
</af:panelLabelAndMessage>
<af:panelLabelAndMessage label="Fax RFI:" id="plam5">
<af:outputFormatted value="#{bindings.faxRFI.inputValue}"
id="of5"/>
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<af:panelLabelAndMessage label="Email RFI:" id="plam4">
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id="of4"/>
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id="of8"/>
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<af:outputFormatted value="#{bindings.emailPRM.inputValue}"
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</af:panelGroupLayout>
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</af:panelGroupLayout>
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<f:facet name="toolbar"/>
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<af:panelFormLayout id="pfl1">
<af:iterator id="i1" value="#{bindings.result1.collectionModel}"
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<af:outputFormatted value="#{current.author}" id="of12"/>
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<af:panelLabelAndMessage label="Data Pubblicazione"
id="plam12">
<af:outputFormatted value="#{current.pubDate}" id="of14">
<af:convertDateTime pattern="yyyy-MM-dd HH:mm"/>
</af:outputFormatted>
</af:panelLabelAndMessage>
<af:panelLabelAndMessage label="Contenuto" id="plam13">
<af:outputText escape="false"
value="#{current.description.value}"
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</af:panelLabelAndMessage>
</af:iterator>
</af:panelFormLayout>
</af:panelGroupLayout>
</af:panelBox>
</af:panelGroupLayout>
</af:panelGroupLayout>
</f:facet>
<f:facet name="drillDownView1Area">
<af:panelGroupLayout id="pgl12">
</af:panelGroupLayout>
</f:facet>
<f:facet name="drillDownView2Area">
<af:panelGroupLayout id="pgl13">
</af:panelGroupLayout>
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<f:attribute name="drillDownTab2Title" value="Treni In partenza"/>
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<f:attribute name="drillDownTab4Rendered" value="true"/>
<f:attribute name="drillDownTab4Title" value="Allarmi"/>
<f:attribute name="overviewOggettoCoinvoltoAreaTitle"
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<f:facet name="drillDownView4Area">
/af:table>
-->
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<f:facet name="drillDownView3Area">
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<?xml version="1.0" encoding="UTF-8" ?>
<pageDefinition xmlns="http://xmlns.oracle.com/adfm/uimodel"
version="11.1.1.56.60"
id="visualizzazioneDettagliStazionePageDef" Package="fragments">
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<executables>
<variableIterator id="variables"/>
<methodIterator Binds="generaAgendaServizioStazione.result"
DataControl="StazioniServicePojo" RangeSize="25"
BeanClass="sop.model.beans.agendaServizioStazione.BeanAgendaServizioStazione"
id="generaAgendaServizioStazioneIterator"/>
<accessorIterator MasterBinding="generaAgendaServizioStazioneIterator"
Binds="datiStazione" RangeSize="25"
DataControl="StazioniServicePojo"
BeanClass="sop.model.beans.agendaServizioStazione.BeanStazione"
id="datiStazioneIterator"/>
<accessorIterator MasterBinding="datiStazioneIterator" Binds="infoTVM"
RangeSize="25" DataControl="StazioniServicePojo"
BeanClass="sop.model.stazioniService.InfoTVM"
id="infoTVMIterator"/>
<accessorIterator MasterBinding="datiStazioneIterator" Binds="infoRFI"
RangeSize="10" DataControl="StazioniServicePojo"
BeanClass="sop.model.stazioniService.InfoRFI"
id="infoRFIIterator"/>
<methodIterator id="readRSSStazioneIter" Binds="readRSSStazione.result"
DataControl="RssServicePojo" RangeSize="25"
BeanClass="com.sun.syndication.feed.rss.Item"/>
</executables>
<bindings>
<methodAction id="generaAgendaServizioStazione" RequiresUpdateModel="true"
Action="invokeMethod" MethodName="generaAgendaServizioStazione"
IsViewObjectMethod="false" DataControl="StazioniServicePojo"
InstanceName="StazioniServicePojo.dataProvider"
ReturnName="StazioniServicePojo.methodResults.generaAgendaServizioStazione_StazioniServicePojo_dataProvider_generaAgendaServizioStazione_result">
<NamedData NDName="locationCode"
NDValue="#{pageFlowScope.stazione.stazione.locationCode}"
NDType="java.lang.String"/>
<NamedData NDName="dataRichiesta"
NDValue="#{pageFlowScope.stazione.dataRichiesta}"
NDType="java.util.Calendar"/>
</methodAction>
<attributeValues IterBinding="datiStazioneIterator" id="situazione">
<AttrNames>
<Item Value="situazione"/>
</AttrNames>
</attributeValues>
<attributeValues IterBinding="datiStazioneIterator" id="_stazione">
<AttrNames>
<Item Value="_stazione"/>
</AttrNames>
</attributeValues>
<attributeValues IterBinding="infoTVMIterator" id="numTVM">
<AttrNames>
<Item Value="numTVM"/>
</AttrNames>
</attributeValues>
<attributeValues IterBinding="infoTVMIterator" id="numAllarmiTVM">
<AttrNames>
<Item Value="numAllarmiTVM"/>
</AttrNames>
</attributeValues>
<attributeValues IterBinding="infoRFIIterator" id="telRFI">
<AttrNames>
<Item Value="telRFI"/>
</AttrNames>
</attributeValues>
<attributeValues IterBinding="infoRFIIterator" id="faxRFI">
<AttrNames>
<Item Value="faxRFI"/>
</AttrNames>
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<attributeValues IterBinding="infoRFIIterator" id="cellRFI">
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<Item Value="cellRFI"/>
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<attributeValues IterBinding="infoRFIIterator" id="emailRFI">
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<Item Value="emailRFI"/>
</AttrNames>
</attributeValues>
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<AttrNames>
<Item Value="telPRM"/>
</AttrNames>
</attributeValues>
<attributeValues IterBinding="infoRFIIterator" id="faxPRM">
<AttrNames>
<Item Value="faxPRM"/>
</AttrNames>
</attributeValues>
<attributeValues IterBinding="infoRFIIterator" id="emailPRM">
<AttrNames>
<Item Value="emailPRM"/>
</AttrNames>
</attributeValues>
<methodAction id="readRSSStazione" InstanceName="RssServicePojo.dataProvider"
DataControl="RssServicePojo" RequiresUpdateModel="true"
Action="invokeMethod" MethodName="readRSSStazione"
IsViewObjectMethod="false"
ReturnName="RssServicePojo.methodResults.readRSSStazione_RssServicePojo_dataProvider_readRSSStazione_result">
<NamedData NDName="stazioneLocationCode"
NDValue="#{pageFlowScope.stazione.stazione.locationCode}"
NDType="java.lang.String"/>
</methodAction>
<tree IterBinding="readRSSStazioneIter" id="result1">
<nodeDefinition DefName="com.sun.syndication.feed.rss.Item" Name="result10">
<AttrNames>
<Item Value="title"/>
<Item Value="author"/>
<Item Value="uri"/>
<Item Value="pubDate"/>
</AttrNames>
<Accessors>
<Item Value="description"/>
</Accessors>
</nodeDefinition>
<nodeDefinition DefName="com.sun.syndication.feed.rss.Description"
Name="result11">
<AttrNames>
<Item Value="type"/>
<Item Value="value"/>
</AttrNames>
</nodeDefinition>
</tree>
</bindings>
</pageDefinition>The datacontrols are standard pojo data controls.
Can someone point me out to the solution ? Why methodAction is called multiple times ?Does someone has any clues ?!
-
Same system being shown multiple time in Solution for Early Watch Report
Hi Gurus ,
I have some satellite system configured to Solution Manager . Today I can see the same system entry multiple time in the
Operations: Solution Monitoring -> Early Watch Alert.
eg .,
I have a system whose SID is ABC , i can see the ABC entry for todays date (i.e., 4 FEB 08) nearly 4 time .And this systems are not rescheduled for the next EWR (i.e scheduled for 11 FEB 08- since we have kept a period of 7 days )
Please suggest
AnthonyHi Anthony,
There was an error, that EWA sessions for one systems were scheduled multiple times per week.
Please check [SAP Note 1083108 - Duplicate EarlyWatch Alerts|http://service.sap.com/sap/support/notes/1083108]
Search for SAP Notes with key words: EWA, multiple, duplicate.
Application area: SV-SMG-OP
What's the software configuration of your SolMan?
Best regards,
Ruediger -
EO entity level validations being executed multiple times
Hi,
I'm using JDev 10.1.3.4, BC, JSF
I have defined multiple entity level method validators in my entity object. On commit I get the desired results except for the fact that each of my method validators runs multiple times when they should only run once. So I end up with twice the method validator messages that I should. And if I put any additional messaging in in the validators themselves I end up with 10 times the desired messages.
What are some of the reasons that would cause this looping through the validators. I assume I have done something to cause this but can not figure out what it is. Any ideas on what I should look for?
Note : Also using JHeadstart but I don't think it should be a factor at the entity level.
Thanks,
Jim
Edited by: 170412 on May 5, 2009 4:11 PMHi,
1) Set the Foreign key using setAttribute Methods ? When u create a VO based on Multiple EO's, there should be some relationship between those 8 EO's like Primary key & Foregin key. And when u perform Commit on this all the value from ur beans will get saved to the database. But the Foreign u need to set independently using setAttribute method becoz it wont get saved by its own.
2) If i'm doing the validations at EO level, those setters and getters will be called before the Create(), Update() and Delete()
methods in the EOImpl class. Is that true?Yes, you are right it will get called for create and update operation but not for Delete.
Regards,
Gyan -
Orchestration Instance - message data being inserted multiple times to database
Hello,
I have a Transactional Scope orchestration which has an expression shape which writes unique messages to a custom database using helper - ADO.Net. We are noticing that when the BizTalk server (BTS 2009) is under stress few messages are
getting inserted multiple times. On further researching we have narrowed down the cause to be that when there is a delay in ADO.NET insert command completion, the orchestration engine wait threshhold is met and decides to dehydrate. But if around
the same time the ADO.NET insert completes and then after some time orchestration rehydrates and resumes from last persistence point, it inserts the message again causing the duplicates. Has anyone seen such behavior?
Thanks in Advance!Yeah, we knew only other alternative is to use the WCF-SQL Adapter and include in Orchestration transaction - saw this pattern somewhere, do not want to use atomic scopes as it could lead to blocking. I'm sure there are several implementations out there
that user helper classes to do DB insert/updates and should have seen a similar issue.
I just want to make sure we are not missing something here. I strongly feel Microsoft BizTalk team should clearly state in their documentation that helper DB insert/updates should be avoided or put it in their best practices so that developers
dont have to figure this out the hard way.
Thanks!
You may try to call helper class from map inside Receive/send port using XSLT templates. Then you don't have to worry about orch. And in send port advanced properties you can set re-try to '0' so it doesn't try again 3 times. Either it fails first go and completes
once. -
Mails being received multiple times
Hi all
My father in law just called asking about this and I had no idea... Since yesterday, he has been receiving every email multiple times, on all his accounts, up to 10 times each. He deletes and deletes them and they keep appearing.
What could this be and how could he fix it?
thanks
JHI,
From the Mac Mail menu bar click Mailbox / Rebuild.
The process can take a few minutes.
Hopefully that will put a stop to the multiple e-mails.
Carolyn
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