[ 
https://issues.apache.org/jira/browse/OFBIZ-11227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jacques Le Roux updated OFBIZ-11227:
------------------------------------
    Description: 
As mentioned in OFBIZ-10972 some printers might not print orders. The error is:


{noformat}
2019-09-30 19:07:47,314 |OFBiz-JobQueue-1     |ContentUrlTag                 
|W| Request was null in appendContentPrefix; this probably means this was used 
where it shouldn't be, like using ofbizContentUrl in a screen rendered through a
service; using best-bet behavior: standard prefix from url.properties (no 
WebSite or security setting known)
2019-09-30 19:07:47,322 |OFBiz-JobQueue-1     |ScreenFactory                 
|I| Got 42 screens in 0.008s from: 
file:/C:/projectsASF/ofbiz/applications/party/widget/partymgr/PartyScreens.xml
2019-09-30 19:07:47,322 |OFBiz-JobQueue-1     |UtilProperties                
|W| Error converting String "" to Integer; using defaultNumber 60.
2019-09-30 19:07:47,352 |OFBiz-JobQueue-1     |FOP                           
|D| target-resolution set to: 72.0dpi (px2mm=0.35277778)
2019-09-30 19:07:47,353 |OFBiz-JobQueue-1     |FOP                           
|D| User configuration found for MIME type application/pdf
2019-09-30 19:07:47,353 |OFBiz-JobQueue-1     |FOP                           
|D| User configuration found for MIME type application/pdf
2019-09-30 19:07:47,479 |OFBiz-JobQueue-1     |FOUserAgent                   
|W| Font "NotoSans,normal,700" not found. Substituting with 
"NotoSans,normal,400".
2019-09-30 19:07:47,506 |OFBiz-JobQueue-1     |FOUserAgent                   
|W| The contents of fo:region-before on page 1 exceed the available area in the 
block-progression direction by 19200 millipoints. (See position 28:58)
2019-09-30 19:07:47,522 |OFBiz-JobQueue-1     |OutputServices                
|I| Using printer: Samsung ML-2160 Series
2019-09-30 19:07:47,522 |OFBiz-JobQueue-1     |ObjectType                    
|E| null
java.lang.ClassNotFoundException: No converter found for 
javax.print.DocFlavor$INPUT_STREAM->java.lang.String
        at 
org.apache.ofbiz.base.conversion.Converters.getConverter(Converters.java:84) 
~[main/:?]
        at 
org.apache.ofbiz.base.util.ObjectType.simpleTypeOrObjectConvert(ObjectType.java:331)
 [main/:?]
        at 
org.apache.ofbiz.base.util.string.FlexibleStringExpander.expandString(FlexibleStringExpander.java:442)
 [main/:?]
        at 
org.apache.ofbiz.base.util.string.FlexibleStringExpander$Elements.get(FlexibleStringExpander.java:630)
 [main/:?]
        at 
org.apache.ofbiz.base.util.string.FlexibleStringExpander.expandString(FlexibleStringExpander.java:435)
 [main/:?]
        at 
org.apache.ofbiz.base.util.string.FlexibleStringExpander.expandString(FlexibleStringExpander.java:172)
 [main/:?]
        at 
org.apache.ofbiz.base.util.string.FlexibleStringExpander.expandString(FlexibleStringExpander.java:145)
 [main/:?]
        at 
org.apache.ofbiz.base.util.UtilProperties.getMessage(UtilProperties.java:681) 
[main/:?]
        at 
org.apache.ofbiz.content.output.OutputServices.sendPrintFromScreen(OutputServices.java:169)
 [main/:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
~[?:1.8.0_202]
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
~[?:1.8.0_202]
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 ~[?:1.8.0_202]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_202]
        at 
org.apache.ofbiz.service.engine.StandardJavaEngine.serviceInvoker(StandardJavaEngine.java:100)
 [main/:?]
        at 
org.apache.ofbiz.service.engine.StandardJavaEngine.runSync(StandardJavaEngine.java:57)
 [main/:?]
        at 
org.apache.ofbiz.service.ServiceDispatcher.runSync(ServiceDispatcher.java:417) 
[main/:?]
        at 
org.apache.ofbiz.service.ServiceDispatcher.runSync(ServiceDispatcher.java:240) 
[main/:?]
        at 
org.apache.ofbiz.service.GenericDispatcherFactory$GenericDispatcher.runSync(GenericDispatcherFactory.java:88)
 [main/:?]
        at 
org.apache.ofbiz.service.job.GenericServiceJob.exec(GenericServiceJob.java:70) 
[main/:?]
        at org.apache.ofbiz.service.job.AbstractJob.run(AbstractJob.java:87) 
[main/:?]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_202]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_202]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]
2019-09-30 19:07:47,522 |OFBiz-JobQueue-1     |ObjectType                    
|W| No special conversion available for javax.print.DocFlavor$INPUT_STREAM to 
String, returning object.toString().
2019-09-30 19:07:47,522 |OFBiz-JobQueue-1     |ServiceUtil                   
|E| {errorMessage=DocFlavor application/postscript; class="java.io.InputStream" 
not supported by printer: Samsung ML-2160 Series, responseMessage=error}
2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |ServiceDispatcher             
|E| Error in Service [sendPrintFromScreen]: DocFlavor application/postscript; 
class="java.io.InputStream" not supported by printer: Samsung ML-2160 Series
2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |TransactionUtil               
|E| [TransactionUtil.rollback]
java.lang.Exception: Stack Trace
        at 
org.apache.ofbiz.entity.transaction.TransactionUtil.rollback(TransactionUtil.java:314)
 [main/:?]
        at 
org.apache.ofbiz.entity.transaction.TransactionUtil.rollback(TransactionUtil.java:290)
 [main/:?]
        at 
org.apache.ofbiz.service.ServiceDispatcher.runSync(ServiceDispatcher.java:562) 
[main/:?]
        at 
org.apache.ofbiz.service.ServiceDispatcher.runSync(ServiceDispatcher.java:240) 
[main/:?]
        at 
org.apache.ofbiz.service.GenericDispatcherFactory$GenericDispatcher.runSync(GenericDispatcherFactory.java:88)
 [main/:?]
        at 
org.apache.ofbiz.service.job.GenericServiceJob.exec(GenericServiceJob.java:70) 
[main/:?]
        at org.apache.ofbiz.service.job.AbstractJob.run(AbstractJob.java:87) 
[main/:?]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_202]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_202]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]
2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |TransactionUtil               
|I| Transaction rolled back
2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |ServiceDispatcher             
|T| Sync service [default/sendPrintFromScreen] finished in [640] milliseconds
2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |GenericServiceJob             
|E| Async-Service failed.
java.lang.Exception: DocFlavor application/postscript; 
class="java.io.InputStream" not supported by printer: Samsung ML-2160 Series
        at 
org.apache.ofbiz.service.job.GenericServiceJob.exec(GenericServiceJob.java:73) 
[main/:?]
        at org.apache.ofbiz.service.job.AbstractJob.run(AbstractJob.java:87) 
[main/:?]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_202]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_202]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]
2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |PersistedServiceJob           
|W| Persisted Job [10944] Failed. Max Retry Hit, not re-scheduling
{noformat}


This could be the solution: 
https://stackoverflow.com/questions/45494674/how-to-send-raw-data-to-printer-with-java

  was:
As mentioned in OFBIZ-10972 some printers might not print orders. The error is:


{noformat}
2019-09-30 19:07:47,314 |OFBiz-JobQueue-1     |ContentUrlTag                 
|W| Request was null in appendContentPrefix; this probably means this was used 
where it shouldn't be, like using ofbizContentUrl in a screen rendered through a
service; using best-bet behavior: standard prefix from url.properties (no 
WebSite or security setting known)
2019-09-30 19:07:47,322 |OFBiz-JobQueue-1     |ScreenFactory                 
|I| Got 42 screens in 0.008s from: 
file:/C:/projectsASF/ofbiz/applications/party/widget/partymgr/PartyScreens.xml
2019-09-30 19:07:47,322 |OFBiz-JobQueue-1     |UtilProperties                
|W| Error converting String "" to Integer; using defaultNumber 60.
2019-09-30 19:07:47,352 |OFBiz-JobQueue-1     |FOP                           
|D| target-resolution set to: 72.0dpi (px2mm=0.35277778)
2019-09-30 19:07:47,353 |OFBiz-JobQueue-1     |FOP                           
|D| User configuration found for MIME type application/pdf
2019-09-30 19:07:47,353 |OFBiz-JobQueue-1     |FOP                           
|D| User configuration found for MIME type application/pdf
2019-09-30 19:07:47,479 |OFBiz-JobQueue-1     |FOUserAgent                   
|W| Font "NotoSans,normal,700" not found. Substituting with 
"NotoSans,normal,400".
2019-09-30 19:07:47,506 |OFBiz-JobQueue-1     |FOUserAgent                   
|W| The contents of fo:region-before on page 1 exceed the available area in the 
block-progression direction by 19200 millipoints. (See position 28:58)
2019-09-30 19:07:47,522 |OFBiz-JobQueue-1     |OutputServices                
|I| Using printer: Samsung ML-2160 Series
2019-09-30 19:07:47,522 |OFBiz-JobQueue-1     |ObjectType                    
|E| null
java.lang.ClassNotFoundException: No converter found for 
javax.print.DocFlavor$INPUT_STREAM->java.lang.String
        at 
org.apache.ofbiz.base.conversion.Converters.getConverter(Converters.java:84) 
~[main/:?]
        at 
org.apache.ofbiz.base.util.ObjectType.simpleTypeOrObjectConvert(ObjectType.java:331)
 [main/:?]
        at 
org.apache.ofbiz.base.util.string.FlexibleStringExpander.expandString(FlexibleStringExpander.java:442)
 [main/:?]
        at 
org.apache.ofbiz.base.util.string.FlexibleStringExpander$Elements.get(FlexibleStringExpander.java:630)
 [main/:?]
        at 
org.apache.ofbiz.base.util.string.FlexibleStringExpander.expandString(FlexibleStringExpander.java:435)
 [main/:?]
        at 
org.apache.ofbiz.base.util.string.FlexibleStringExpander.expandString(FlexibleStringExpander.java:172)
 [main/:?]
        at 
org.apache.ofbiz.base.util.string.FlexibleStringExpander.expandString(FlexibleStringExpander.java:145)
 [main/:?]
        at 
org.apache.ofbiz.base.util.UtilProperties.getMessage(UtilProperties.java:681) 
[main/:?]
        at 
org.apache.ofbiz.content.output.OutputServices.sendPrintFromScreen(OutputServices.java:169)
 [main/:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
~[?:1.8.0_202]
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
~[?:1.8.0_202]
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 ~[?:1.8.0_202]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_202]
        at 
org.apache.ofbiz.service.engine.StandardJavaEngine.serviceInvoker(StandardJavaEngine.java:100)
 [main/:?]
        at 
org.apache.ofbiz.service.engine.StandardJavaEngine.runSync(StandardJavaEngine.java:57)
 [main/:?]
        at 
org.apache.ofbiz.service.ServiceDispatcher.runSync(ServiceDispatcher.java:417) 
[main/:?]
        at 
org.apache.ofbiz.service.ServiceDispatcher.runSync(ServiceDispatcher.java:240) 
[main/:?]
        at 
org.apache.ofbiz.service.GenericDispatcherFactory$GenericDispatcher.runSync(GenericDispatcherFactory.java:88)
 [main/:?]
        at 
org.apache.ofbiz.service.job.GenericServiceJob.exec(GenericServiceJob.java:70) 
[main/:?]
        at org.apache.ofbiz.service.job.AbstractJob.run(AbstractJob.java:87) 
[main/:?]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_202]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_202]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]
2019-09-30 19:07:47,522 |OFBiz-JobQueue-1     |ObjectType                    
|W| No special conversion available for javax.print.DocFlavor$INPUT_STREAM to 
String, returning object.toString().
2019-09-30 19:07:47,522 |OFBiz-JobQueue-1     |ServiceUtil                   
|E| {errorMessage=DocFlavor application/postscript; class="java.io.InputStream" 
not supported by printer: Samsung ML-2160 Series, responseMessage=error}
2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |ServiceDispatcher             
|E| Error in Service [sendPrintFromScreen]: DocFlavor application/postscript; 
class="java.io.InputStream" not supported by printer: Samsung ML-2160 Series
2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |TransactionUtil               
|E| [TransactionUtil.rollback]
java.lang.Exception: Stack Trace
        at 
org.apache.ofbiz.entity.transaction.TransactionUtil.rollback(TransactionUtil.java:314)
 [main/:?]
        at 
org.apache.ofbiz.entity.transaction.TransactionUtil.rollback(TransactionUtil.java:290)
 [main/:?]
        at 
org.apache.ofbiz.service.ServiceDispatcher.runSync(ServiceDispatcher.java:562) 
[main/:?]
        at 
org.apache.ofbiz.service.ServiceDispatcher.runSync(ServiceDispatcher.java:240) 
[main/:?]
        at 
org.apache.ofbiz.service.GenericDispatcherFactory$GenericDispatcher.runSync(GenericDispatcherFactory.java:88)
 [main/:?]
        at 
org.apache.ofbiz.service.job.GenericServiceJob.exec(GenericServiceJob.java:70) 
[main/:?]
        at org.apache.ofbiz.service.job.AbstractJob.run(AbstractJob.java:87) 
[main/:?]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_202]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_202]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]
2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |TransactionUtil               
|I| Transaction rolled back
2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |ServiceDispatcher             
|T| Sync service [default/sendPrintFromScreen] finished in [640] milliseconds
2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |GenericServiceJob             
|E| Async-Service failed.
java.lang.Exception: DocFlavor application/postscript; 
class="java.io.InputStream" not supported by printer: Samsung ML-2160 Series
        at 
org.apache.ofbiz.service.job.GenericServiceJob.exec(GenericServiceJob.java:73) 
[main/:?]
        at org.apache.ofbiz.service.job.AbstractJob.run(AbstractJob.java:87) 
[main/:?]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_202]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_202]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]
2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |PersistedServiceJob           
|W| Persisted Job [10944] Failed. Max Retry Hit, not re-scheduling
{noformat}



> Can't print orders at Find Order screen
> ---------------------------------------
>
>                 Key: OFBIZ-11227
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-11227
>             Project: OFBiz
>          Issue Type: Bug
>          Components: order
>    Affects Versions: Trunk
>            Reporter: Jacques Le Roux
>            Priority: Major
>
> As mentioned in OFBIZ-10972 some printers might not print orders. The error 
> is:
> {noformat}
> 2019-09-30 19:07:47,314 |OFBiz-JobQueue-1     |ContentUrlTag                 
> |W| Request was null in appendContentPrefix; this probably means this was 
> used where it shouldn't be, like using ofbizContentUrl in a screen rendered 
> through a
> service; using best-bet behavior: standard prefix from url.properties (no 
> WebSite or security setting known)
> 2019-09-30 19:07:47,322 |OFBiz-JobQueue-1     |ScreenFactory                 
> |I| Got 42 screens in 0.008s from: 
> file:/C:/projectsASF/ofbiz/applications/party/widget/partymgr/PartyScreens.xml
> 2019-09-30 19:07:47,322 |OFBiz-JobQueue-1     |UtilProperties                
> |W| Error converting String "" to Integer; using defaultNumber 60.
> 2019-09-30 19:07:47,352 |OFBiz-JobQueue-1     |FOP                           
> |D| target-resolution set to: 72.0dpi (px2mm=0.35277778)
> 2019-09-30 19:07:47,353 |OFBiz-JobQueue-1     |FOP                           
> |D| User configuration found for MIME type application/pdf
> 2019-09-30 19:07:47,353 |OFBiz-JobQueue-1     |FOP                           
> |D| User configuration found for MIME type application/pdf
> 2019-09-30 19:07:47,479 |OFBiz-JobQueue-1     |FOUserAgent                   
> |W| Font "NotoSans,normal,700" not found. Substituting with 
> "NotoSans,normal,400".
> 2019-09-30 19:07:47,506 |OFBiz-JobQueue-1     |FOUserAgent                   
> |W| The contents of fo:region-before on page 1 exceed the available area in 
> the block-progression direction by 19200 millipoints. (See position 28:58)
> 2019-09-30 19:07:47,522 |OFBiz-JobQueue-1     |OutputServices                
> |I| Using printer: Samsung ML-2160 Series
> 2019-09-30 19:07:47,522 |OFBiz-JobQueue-1     |ObjectType                    
> |E| null
> java.lang.ClassNotFoundException: No converter found for 
> javax.print.DocFlavor$INPUT_STREAM->java.lang.String
>         at 
> org.apache.ofbiz.base.conversion.Converters.getConverter(Converters.java:84) 
> ~[main/:?]
>         at 
> org.apache.ofbiz.base.util.ObjectType.simpleTypeOrObjectConvert(ObjectType.java:331)
>  [main/:?]
>         at 
> org.apache.ofbiz.base.util.string.FlexibleStringExpander.expandString(FlexibleStringExpander.java:442)
>  [main/:?]
>         at 
> org.apache.ofbiz.base.util.string.FlexibleStringExpander$Elements.get(FlexibleStringExpander.java:630)
>  [main/:?]
>         at 
> org.apache.ofbiz.base.util.string.FlexibleStringExpander.expandString(FlexibleStringExpander.java:435)
>  [main/:?]
>         at 
> org.apache.ofbiz.base.util.string.FlexibleStringExpander.expandString(FlexibleStringExpander.java:172)
>  [main/:?]
>         at 
> org.apache.ofbiz.base.util.string.FlexibleStringExpander.expandString(FlexibleStringExpander.java:145)
>  [main/:?]
>         at 
> org.apache.ofbiz.base.util.UtilProperties.getMessage(UtilProperties.java:681) 
> [main/:?]
>         at 
> org.apache.ofbiz.content.output.OutputServices.sendPrintFromScreen(OutputServices.java:169)
>  [main/:?]
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
> ~[?:1.8.0_202]
>         at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
> ~[?:1.8.0_202]
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  ~[?:1.8.0_202]
>         at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_202]
>         at 
> org.apache.ofbiz.service.engine.StandardJavaEngine.serviceInvoker(StandardJavaEngine.java:100)
>  [main/:?]
>         at 
> org.apache.ofbiz.service.engine.StandardJavaEngine.runSync(StandardJavaEngine.java:57)
>  [main/:?]
>         at 
> org.apache.ofbiz.service.ServiceDispatcher.runSync(ServiceDispatcher.java:417)
>  [main/:?]
>         at 
> org.apache.ofbiz.service.ServiceDispatcher.runSync(ServiceDispatcher.java:240)
>  [main/:?]
>         at 
> org.apache.ofbiz.service.GenericDispatcherFactory$GenericDispatcher.runSync(GenericDispatcherFactory.java:88)
>  [main/:?]
>         at 
> org.apache.ofbiz.service.job.GenericServiceJob.exec(GenericServiceJob.java:70)
>  [main/:?]
>         at org.apache.ofbiz.service.job.AbstractJob.run(AbstractJob.java:87) 
> [main/:?]
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>  [?:1.8.0_202]
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  [?:1.8.0_202]
>         at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]
> 2019-09-30 19:07:47,522 |OFBiz-JobQueue-1     |ObjectType                    
> |W| No special conversion available for javax.print.DocFlavor$INPUT_STREAM to 
> String, returning object.toString().
> 2019-09-30 19:07:47,522 |OFBiz-JobQueue-1     |ServiceUtil                   
> |E| {errorMessage=DocFlavor application/postscript; 
> class="java.io.InputStream" not supported by printer: Samsung ML-2160 Series, 
> responseMessage=error}
> 2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |ServiceDispatcher             
> |E| Error in Service [sendPrintFromScreen]: DocFlavor application/postscript; 
> class="java.io.InputStream" not supported by printer: Samsung ML-2160 Series
> 2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |TransactionUtil               
> |E| [TransactionUtil.rollback]
> java.lang.Exception: Stack Trace
>         at 
> org.apache.ofbiz.entity.transaction.TransactionUtil.rollback(TransactionUtil.java:314)
>  [main/:?]
>         at 
> org.apache.ofbiz.entity.transaction.TransactionUtil.rollback(TransactionUtil.java:290)
>  [main/:?]
>         at 
> org.apache.ofbiz.service.ServiceDispatcher.runSync(ServiceDispatcher.java:562)
>  [main/:?]
>         at 
> org.apache.ofbiz.service.ServiceDispatcher.runSync(ServiceDispatcher.java:240)
>  [main/:?]
>         at 
> org.apache.ofbiz.service.GenericDispatcherFactory$GenericDispatcher.runSync(GenericDispatcherFactory.java:88)
>  [main/:?]
>         at 
> org.apache.ofbiz.service.job.GenericServiceJob.exec(GenericServiceJob.java:70)
>  [main/:?]
>         at org.apache.ofbiz.service.job.AbstractJob.run(AbstractJob.java:87) 
> [main/:?]
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>  [?:1.8.0_202]
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  [?:1.8.0_202]
>         at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]
> 2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |TransactionUtil               
> |I| Transaction rolled back
> 2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |ServiceDispatcher             
> |T| Sync service [default/sendPrintFromScreen] finished in [640] milliseconds
> 2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |GenericServiceJob             
> |E| Async-Service failed.
> java.lang.Exception: DocFlavor application/postscript; 
> class="java.io.InputStream" not supported by printer: Samsung ML-2160 Series
>         at 
> org.apache.ofbiz.service.job.GenericServiceJob.exec(GenericServiceJob.java:73)
>  [main/:?]
>         at org.apache.ofbiz.service.job.AbstractJob.run(AbstractJob.java:87) 
> [main/:?]
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>  [?:1.8.0_202]
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  [?:1.8.0_202]
>         at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]
> 2019-09-30 19:07:47,523 |OFBiz-JobQueue-1     |PersistedServiceJob           
> |W| Persisted Job [10944] Failed. Max Retry Hit, not re-scheduling
> {noformat}
> This could be the solution: 
> https://stackoverflow.com/questions/45494674/how-to-send-raw-data-to-printer-with-java



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