Fortran运行中给出的系统错误及解决方法.docx

Fortran运行中给出的系统错误及解决方法.docx

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Fortran运行中给出的系统错误及解决方法

Severe_Messages

Mustbecorrected.Theprogram'sexecutionisterminatedwhenthe

errorisencountered,unlessforI/Ostatementstheprogramuses

theENDorERRI/Ostatementspecifierstotransfercontrol,

perhapstoaroutinethatusestheIOSTATspecifier（seeyourDEC

Fortranusermanual）.

Theseveremessagesfollow（inalphabeticalorder）:

oMESSAGE:

Adjustablearraydimensionerror

NUMBER:

93

EXPLANATION:

Uponentrytoasubprogram,oneofthefollowing

errorswasdetectedduringtheevaluationofdimensioning

information:

-Anupper-dimensionboundwaslessthana

lower-dimensionbound.

-Thedimensionsimpliedanarraythatwaslarger

thanaddressablememory.

oMESSAGE:

Attempttoaccessnon-existentrecord

NUMBER:

36

EXPLANATION:

Adirect-accessREADorFINDstatementattempted

toaccessbeyondtheendofarelativefile（orasequential

fileondiskwithfixed-lengthrecords）oraccessarecordthat

waspreviouslydeletedinarelativefile.

oArrayindexoutofbounds（SIGTRAP）

NUMBER:

138

EXPLANATION:

BreakexceptiongeneratedaSIGTRAPsignal

（describedinsignal（3））.Coredumpfilecreated.

Thecauseisanarraysubscriptthatisoutsidethedimensioned

boundariesofthatarray.Tryrecompilingusingthe-check

boundsoption（perhapswiththef77_dump_flagenvironment

variableset）orexaminethecoredumpfiletodeterminethe

sourcecodeinerror.

oMESSAGE:

Arrayindexoutofboundsforindexn（SIGTRAP）

NUMBER:

139

EXPLANATION:

BreakexceptiongeneratedaSIGTRAPsignal

（describedinsignal（3））.Coredumpfilecreated.

Thecauseisanarraysubscriptthatisoutsidethedimensioned

boundariesofthearrayindexn.Tryrecompilingusingthe

-checkboundsoption（perhapswiththef77_dump_flag

environmentvariableset）orexaminethecoredumpfileto

determinethesourcecodeinerror.

oMESSAGE:

BACKSPACEerror

NUMBER:

23

EXPLANATION:

Anerrorconditionwasdetectedduringexecution

ofaBACKSPACEstatement.

oMESSAGE:

Cannotoverwriteexistingfile

NUMBER:

10

EXPLANATION:

SpecifiedfilexxxalreadyexistswhenOPEN

statementspecifiedSTATUS='NEW'（createnewfile）usingI/O

unitx.Makesurecorrectfilename,directorypath,unit,and

soforthwerespecifiedinthesourceprogram.Decidewhether

to:

-Renameorremovetheexistingfilebeforererunning

theprogram.

-Modifythesourcefiletospecifydifferentfile

specification,I/Ounit,orOPENstatementSTATUS='UNKNOWN'.

oMESSAGE:

Cannotstatfile

NUMBER:

108

EXPLANATION:

Attemptedstatoperationontheindicatedfile

failed.Makesurecorrectfileandunitwerespecified.

oMESSAGE:

CLOSEerror

NUMBER:

28

EXPLANATION:

AnerrorconditionwasdetectedbytheDEC

FortranRTLI/OsystemduringexecutionofaCLOSEstatement.

oMESSAGE:

DELETEerror

NUMBER:

55

EXPLANATION:

AnerrorconditionwasdetectedbytheDEC

FortranRTLI/OsystemduringexecutionofaDELETEstatement.

oMESSAGE:

Dividebyzerocheck（SIGTRAP）

NUMBER:

137

EXPLANATION:

BreakexceptiongeneratedaSIGTRAPsignal

（describedinsignal（3））.Coredumpfilecreated.

Examinecoredumpfileforpossiblecause.

oMESSAGE:

Duplicatefilespecifications

NUMBER:

21

EXPLANATION:

Multipleattemptsweremadetospecifyfile

attributeswithoutaninterveningcloseoperation.ADEFINE

FILEstatementwasfollowedbyanotherDEFINEFILEstatementor

anOPENstatement.

oMESSAGE:

ENDFILEerror

NUMBER:

33

EXPLANATION:

Oneofthefollowingconditionsoccurred:

-Thefilewasnotasequentialorganizationfilewith

variable-lengthrecords.

-Thefilewasnotopenedforsequentialorappendaccess.

-Anunformattedfiledidnotcontainsegmentedrecords.

-TheDECFortranRTLI/Osystemdetectedanerrorduring

executionofanENDFILEstatement.

oMESSAGE:

End-of-fileduringread

NUMBER:

24

EXPLANATION:

Oneofthefollowingconditionsoccurred:

-ADECFortranRTLI/Osystemend-of-filecondition

wasencounteredduringexecutionofaREADstatement

thatdidnotcontainanEND,ERR,orIOSTATspecification.

-Anend-of-filerecordwrittenbytheENDFILEstatement

wasencounteredduringexecutionofaREADstatement

thatdidnotcontainanEND,ERR,orIOSTATspecification.

-Anattemptwasmadetoreadpasttheendofaninternal

filecharacterstringorarrayduringexecutionofaREAD

statementthatdidnotcontainanEND,ERR,orIOSTAT

specification.

oMESSAGE:

Errorduringread

NUMBER:

39

EXPLANATION:

TheDECFortranRTLI/Osystemdetectedanerror

conditionduringexecutionofaREADstatement.

oMESSAGE:

Errorduringwrite

NUMBER:

38

EXPLANATION:

TheDECFortranRTLI/Osystemdetectedanerror

conditionduringexecutionofaWRITEstatement.

oMESSAGE:

Filenamespecificationerror

NUMBER:

43

EXPLANATION:

Thefilenamewasspecifiederroneously.

oMESSAGE:

Filenotfound

NUMBER:

29

EXPLANATION:

Afilewiththespecifiednamecouldnotbefound

duringanopenoperation.

oMESSAGE:

FINDerror

NUMBER:

57

EXPLANATION:

TheDECFortranRTLI/Osystemdetectedanerror

conditionduringexecutionofaFINDstatement.

oMESSAGE:

Floatingoverflowinmathlibrary

NUMBER:

88

EXPLANATION:

Afloating-pointoverflowconditionwasdetected

duringexecutionofamathlibraryprocedure.

oMESSAGE:

Floatingunderflowinmathlibrary

NUMBER:

89

EXPLANATION:

Afloating-pointunderflowconditionwasdetected

duringexecutionofamathlibraryprocedure.Theresult

returnedwaszero.

oMESSAGE:

Format/variable-typemismatch

NUMBER:

61

EXPLANATION:

Anattemptwasmadeeithertoreadorwritea

realvariablewithanintegerfielddescriptor（IorL）,orto

readorwriteanintegerorlogicalvariablewitharealfield

descriptor（D,E,F,orG）.

oMESSAGE:

FormattedI/Otounitopenforunformattedtransfers

NUMBER:

257

EXPLANATION:

AttemptedformattedI/O（suchaslist-directedor

namelistI/O）toaunitwheretheOPENstatementindicatedthe

filewasunformatted（FORMkeyword）.Checkthatthecorrect

unit（file）wasspecified.

IftheFORMkeywordwasnotspecifiedintheOPENstatementand

thefileshouldcontainformatteddata,specify

FORM='FORMATTED'intheOPENstatement.Otherwise,if

appropriate,useunformattedI/O.

oMESSAGE:

Inconsistentfileorganization

NUMBER:

51

EXPLANATION:

ThefileorganizationspecifiedinanOPEN

statementdidnotmatchtheorganizationoftheexistingfile.

oMESSAGE:

InconsistentOPEN/CLOSEparameters

NUMBER:

46

EXPLANATION:

SpecificationsinanOPENorCLOSEstatementwere

inconsistent.Someinvalidcombinationsfollow:

-READONLYwithSTATUS='NEW'orSTATUS='SCRATCH'

-ACCESS='APPEND'withREADONLY,STATUS='NEW'or

STATUS='SCRATCH'

-DISPOSE='SAVE','PRINT',or'SUBMIT'with

STATUS='SCRATCH'

-DISPOSE='DELETE'withREADONLY

oMESSAGE:

Inconsistentrecordlength

NUMBER:

37

EXPLANATION:

Anattemptwasmadetoopenadirectaccessfile

withoutspecifyingarecordlength.

oMESSAGE:

Inconsistentrecordtype

NUMBER:

44

EXPLANATION:

TheRECORDTYPEvalueinanOPENstatementdidnot

matchtherecordtypeattributeoftheexistingfilethatwas

opened.

oMESSAGE:

Infiniteformatloop

NUMBER:

60

EXPLANATION:

TheformatassociatedwithanI/Ostatementthat

includedanI/Olisthadnofielddescriptorstousein

transferringthosevalues.

oMESSAGE:

Inputconversionerror

NUMBER:

64

EXPLANATION:

Duringaformattedinputoperation,aninvalid

characterwasdetectedinaninputfield,ortheinputvalue

overflowedtherangerepresentableintheinputvariable.The

valueofthevariablewassettozero.

oMESSAGE:

Inputrecordtoolong

NUMBER:

22

EXPLANATION:

Arecordwasreadthatexceededtheexplicitor

defaultrecordlengthspecifiedwhenthefilewasopened.To

readthefile,useanOPENstatementwithaRECL=value（record

length）oftheappropriatesize.

oMESSAGE:

Inputstatementrequirestoomuchdata

NUMBER:

67

EXPLANATION:

AnunformattedREADstatementattemptedtoread

moredatathanexistedintherecordbeingread.

oMESSAGE:

Insufficientvirtualmemory

NUMBER:

41

EXPLANATION:

TheDECFortranRTLwasunabletoacquire

additionalvirtualmemoryfromtheoperatingsystem.Usersof

theCandKornshellsmaybeabletoovercomethisproblemby

increasingtheper-processdatalimitusingthelimit（Cshell）

orulimit（Kornshell）commands.Formoreinformation,seethe

csh

（1）andksh

（1）referencepages.

Ifthemaximumper-processdatasizeisalreadyallocated,

increasethevalueofthemaxdsizparameterinthesystem's

configurationfile.Notethateditstotheconfigurationfile

donottakeeffectuntiltheoperatingsystemkernelhasbeen

rebuilt,andthesystemhasbeenrebooted.Formore

information,seethedoconfig

（1）referencepageandyour

operatingsystemguidetosystemconfiguration.

oMESSAGE:

Integeroverflow

NUMBER:

70

EXPLANATION:

Duringanarithmeticoperation,anintegervalue

exceededbyte,word,orlongwordrange.Theresultofthe

operationwasthecorrectlow-orderpart.SeeyourDECFortran

usermanualforrangesofthevariousintegerdatatypes.

oMESSAGE:

Integerzerodivide

NUMBER:

71

EXPLANATION:

Duringanintegerarithmeticoperation,an

attemptwasmadetodividebyzero.Theresultofthe

operationwassettothedividend,whichisequivalentto

divisionby1.

oMESSAGE:

Internalconsistencycheckfailure

NUMBER:

8

EXPLANATION:

Internalsevereerror.Pleasecheckthatthe

programiscorrect.Recompileifanerrorexistsinthe

program.

Ifthiserrorpersists,submitanSPR.

oMESSAGE:

InvalidargumenttoFortranRun-TimeLibrary

NUMBER:

48

EXPLANATION:

Thecompilerpassedaninvalidorimproperly

codedargumenttotheDECFortranRTL.Thiscanoccurifthe

compilerisnewert