When trying to add an image to an existing PDF or when converting HTML to PDF, we encounter an error. Unfortunately, the cause of the error is not clear from the stack trace. Please help us fix it.
Aspose.PDF v22.12.0
net6.0
Docker, Linux (mcr.microsoft.com/dotnet/aspnet:6.0)
Installed packages:
RUN apt-get update && apt-get install -y libgdiplus
RUN sed -i’.bak’ ‘s/$/ contrib/’ /etc/apt/sources.list
RUN apt-get update; apt-get install -y ttf-mscorefonts-installer fontconfig
System.NullReferenceException: Object reference not set to an instance of an object.
at #=zwWHU2QQ8TaAFOp_5cHBbu9_mqEpQJwxLk0S5iTc=.#=zt9NUj8GZ17QG(#=z2QCscfp_3nv4gT788P_12gsEERq$utEx_A== #=zazRv40c=, Char #=z1mn9UaM=)
at #=zs0vEkpQewtv4sTj2QC1YrV853xiT8LIICLZKXGE=.#=zInvaSRfhJ7pC(#=z7Lcr0Wi4iRhF4aljwAnqvNIEZ_rcIvV0Jg== #=z$OZ14K4=)
at #=zs0vEkpQewtv4sTj2QC1YrV853xiT8LIICLZKXGE=.#=zInvaSRfhJ7pC(#=z7Lcr0Wi4iRhF4aljwAnqvNIEZ_rcIvV0Jg== #=z$OZ14K4=)
at #=zs0vEkpQewtv4sTj2QC1YrV853xiT8LIICLZKXGE=.#=zInvaSRfhJ7pC(#=z7Lcr0Wi4iRhF4aljwAnqvNIEZ_rcIvV0Jg== #=z$OZ14K4=)
at #=zs0vEkpQewtv4sTj2QC1YrV853xiT8LIICLZKXGE=.#=zWXKELE5kl84U(#=z7Lcr0Wi4iRhF4aljwAnqvNIEZ_rcIvV0Jg== #=z$OZ14K4=)
at #=zs0vEkpQewtv4sTj2QC1YrV853xiT8LIICLZKXGE=.#=zWXKELE5kl84U(#=z7Lcr0Wi4iRhF4aljwAnqvNIEZ_rcIvV0Jg== #=z$OZ14K4=)
at #=zs0vEkpQewtv4sTj2QC1YrV853xiT8LIICLZKXGE=.#=zWXKELE5kl84U(#=z7Lcr0Wi4iRhF4aljwAnqvNIEZ_rcIvV0Jg== #=z$OZ14K4=)
at #=zs0vEkpQewtv4sTj2QC1YrV853xiT8LIICLZKXGE=.#=zWXKELE5kl84U(#=z7Lcr0Wi4iRhF4aljwAnqvNIEZ_rcIvV0Jg== #=z$OZ14K4=)
at #=zs0vEkpQewtv4sTj2QC1YrV853xiT8LIICLZKXGE=.#=zWXKELE5kl84U(#=z7Lcr0Wi4iRhF4aljwAnqvNIEZ_rcIvV0Jg== #=z$OZ14K4=)
at #=zkkQSKn3nOGqRg3emWnswmvCElwJNM2ojFQ==.#=z7jWBFhA=(#=zDBccz_lZk3ys2XMKhEqFdZI= #=z4NM2WVg=, #=zCxY5wubIdFpGMtJOQGw0ODfWmL8ftucpzQ== #=zawI3Wjs=, #=zhRm74vP6CpvJX6fFgt2GhyAJYkuvxuugqA== #=z1GQ0HHzNUb_M, #=z1d9HRd2SU_7guCTeAZuSSkbkoXtzXKK22w== #=zeRFP55IW8NxSvdOnsA==)
at #=zgwaYuE8uWcsTlCtILbC1mhpmtoYUqtfgpQ==.#=zCqxzoh0HDbgL(#=zWslcjMHd9R6Cz341Srf5e1k= #=zQ9ilHsc=, #=z7lUNy0mVqfHkeCgyslnXpLou7YIA #=zLywKmX5gBNXKj16ARQ==, #=zGNiwrXDL$xPp2OGWKXGE0WPHrL3K #=zJ8tC_$M=, #=zIplRQaoe_jFdoICpo9Sb0p7S7LjZ #=zAsFz3x8=, #=zgQfy0oZCXUkGdi$KF_YHgF7wjfehW3UnUPzyiTc= #=zCVT5ONYRsmRs_O0bJeCOrFM=, #=zQQgWY5Zz4SbwhVvykxDWIP4= #=zY1vtfNKJv3J4JboPzQ==)
at #=zgwaYuE8uWcsTlCtILbC1mhpmtoYUqtfgpQ==.#=zix8VOT8=(#=zGNiwrXDL$xPp2OGWKXGE0WPHrL3K #=zJ8tC_$M=, #=zIplRQaoe_jFdoICpo9Sb0p7S7LjZ #=zAsFz3x8=)
at #=zIplRQaoe_jFdoICpo9Sb0p7S7LjZ.#=zix8VOT8=(#=zGNiwrXDL$xPp2OGWKXGE0WPHrL3K #=zJ8tC_$M=)
at #=zA_ocQQ_kEOzYosP61Fi1DR4XkbzRChO6Qw==.#=zIjDmnNk=()
at #=zA_ocQQ_kEOzYosP61Fi1DR4XkbzRChO6Qw==.#=zL27Svjc=()
at #=zil9AVLI6A1$OqebyaRDRLjYa58P9thWRKg==.#=zkr1eeSEpWXE7(#=z_$BSHpd0$N9_EfoMjeUXXLY= #=zlPhDPXfXqyTCDUY8Xg==, #=zIplRQaoe_jFdoICpo9Sb0p7S7LjZ[] #=zPlyjbFopnT3X, #=zGNiwrXDL$xPp2OGWKXGE0WPHrL3K #=zJ8tC_$M=, TimeSpan #=zLKd4B80=)
at #=z4azyaFaoI2ccxIcoNSzVwa77ER9_.Render(#=zGNiwrXDL$xPp2OGWKXGE0WPHrL3K #=zJ8tC_$M=, TimeSpan #=zLKd4B80=, #=zDBccz_lZk3ys2XMKhEqFdZI=[] #=zXOELz7A=, #=zWslcjMHd9R6Cz341Srf5e1k=[] #=zoXgsRCo=)
at #=z4azyaFaoI2ccxIcoNSzVwa77ER9_.Render(#=zGNiwrXDL$xPp2OGWKXGE0WPHrL3K #=zJ8tC_$M=, TimeSpan #=zLKd4B80=, #=zWslcjMHd9R6Cz341Srf5e1k=[] #=zoXgsRCo=)
at #=zfEKhz8NFcGv5kHD_q5DeBFu_TXWA.Render(#=zGNiwrXDL$xPp2OGWKXGE0WPHrL3K #=zJ8tC_$M=, #=zjfRVYI8= #=zQ9ilHsc=, TimeSpan #=zLKd4B80=)
at #=zfEKhz8NFcGv5kHD_q5DeBFu_TXWA.Render(#=zGNiwrXDL$xPp2OGWKXGE0WPHrL3K #=zJ8tC_$M=, #=zjfRVYI8= #=zQ9ilHsc=)
at #=zN6OPlHWVQZbk5xMShkuy_9TCNZhI.#=zXHrH0cHUmMKP(Stream #=ze4E8DzF5biA$, Document #=zBLRbMyMOw1cm, HtmlLoadOptions #=zic3EpTMAgyfH, String #=z1mNV_KL1ITRA)
at #=zN6OPlHWVQZbk5xMShkuy_9TCNZhI.#=z2TA$9cg=(Stream #=ze4E8DzF5biA$, Document #=zBLRbMyMOw1cm, HtmlLoadOptions #=zic3EpTMAgyfH, String #=z1mNV_KL1ITRA)
at #=zN6OPlHWVQZbk5xMShkuy_9TCNZhI.#=z2TA$9cg=(Stream #=ze4E8DzF5biA$, Document #=zBLRbMyMOw1cm, HtmlLoadOptions #=zic3EpTMAgyfH)
at Aspose.Pdf.Document.#=zJ$HTlz0=(Stream #=z3Wdp9mg=, LoadOptions #=z48c_1lM=)
at Aspose.Pdf.Document..ctor(Stream input, LoadOptions options)